diff --git a/talk/media/webrtc/webrtcmediaengine.cc b/talk/media/webrtc/webrtcmediaengine.cc
index 2dae42383..252b4e607 100644
--- a/talk/media/webrtc/webrtcmediaengine.cc
+++ b/talk/media/webrtc/webrtcmediaengine.cc
@@ -25,6 +25,9 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if defined(LIBPEERCONNECTION_LIB) || \
+    defined(LIBPEERCONNECTION_IMPLEMENTATION)
+
 #include "talk/media/webrtc/webrtcmediaengine.h"
 #include "talk/media/webrtc/webrtcvideoengine.h"
 #ifdef WEBRTC_CHROMIUM_BUILD
@@ -94,142 +97,23 @@ void DestroyWebRtcMediaEngine(cricket::MediaEngineInterface* media_engine) {
 
 namespace cricket {
 
-class DelegatingWebRtcMediaEngine : public cricket::MediaEngineInterface {
- public:
-  DelegatingWebRtcMediaEngine(
-      webrtc::AudioDeviceModule* adm,
-      webrtc::AudioDeviceModule* adm_sc,
-      WebRtcVideoEncoderFactory* encoder_factory,
-      WebRtcVideoDecoderFactory* decoder_factory)
-      : delegate_(CreateWebRtcMediaEngine(
-          adm, adm_sc, encoder_factory, decoder_factory)) {
-  }
-  virtual ~DelegatingWebRtcMediaEngine() {
-    DestroyWebRtcMediaEngine(delegate_);
-  }
-  virtual bool Init(rtc::Thread* worker_thread) OVERRIDE {
-    return delegate_->Init(worker_thread);
-  }
-  virtual void Terminate() OVERRIDE {
-    delegate_->Terminate();
-  }
-  virtual int GetCapabilities() OVERRIDE {
-    return delegate_->GetCapabilities();
-  }
-  virtual VoiceMediaChannel* CreateChannel() OVERRIDE {
-    return delegate_->CreateChannel();
-  }
-  virtual VideoMediaChannel* CreateVideoChannel(
-      VoiceMediaChannel* voice_media_channel) OVERRIDE {
-    return delegate_->CreateVideoChannel(voice_media_channel);
-  }
-  virtual SoundclipMedia* CreateSoundclip() OVERRIDE {
-    return delegate_->CreateSoundclip();
-  }
-  virtual AudioOptions GetAudioOptions() const OVERRIDE {
-    return delegate_->GetAudioOptions();
-  }
-  virtual bool SetAudioOptions(const AudioOptions& options) OVERRIDE {
-    return delegate_->SetAudioOptions(options);
-  }
-  virtual bool SetVideoOptions(const VideoOptions& options) OVERRIDE {
-    return delegate_->SetVideoOptions(options);
-  }
-  virtual bool SetAudioDelayOffset(int offset) OVERRIDE {
-    return delegate_->SetAudioDelayOffset(offset);
-  }
-  virtual bool SetDefaultVideoEncoderConfig(
-      const VideoEncoderConfig& config) OVERRIDE {
-    return delegate_->SetDefaultVideoEncoderConfig(config);
-  }
-  virtual VideoEncoderConfig GetDefaultVideoEncoderConfig() const OVERRIDE {
-    return delegate_->GetDefaultVideoEncoderConfig();
-  }
-  virtual bool SetSoundDevices(
-      const Device* in_device, const Device* out_device) OVERRIDE {
-    return delegate_->SetSoundDevices(in_device, out_device);
-  }
-  virtual bool GetOutputVolume(int* level) OVERRIDE {
-    return delegate_->GetOutputVolume(level);
-  }
-  virtual bool SetOutputVolume(int level) OVERRIDE {
-    return delegate_->SetOutputVolume(level);
-  }
-  virtual int GetInputLevel() OVERRIDE {
-    return delegate_->GetInputLevel();
-  }
-  virtual bool SetLocalMonitor(bool enable) OVERRIDE {
-    return delegate_->SetLocalMonitor(enable);
-  }
-  virtual bool SetLocalRenderer(VideoRenderer* renderer) OVERRIDE {
-    return delegate_->SetLocalRenderer(renderer);
-  }
-  virtual const std::vector<AudioCodec>& audio_codecs() OVERRIDE {
-    return delegate_->audio_codecs();
-  }
-  virtual const std::vector<RtpHeaderExtension>&
-      audio_rtp_header_extensions() OVERRIDE {
-    return delegate_->audio_rtp_header_extensions();
-  }
-  virtual const std::vector<VideoCodec>& video_codecs() OVERRIDE {
-    return delegate_->video_codecs();
-  }
-  virtual const std::vector<RtpHeaderExtension>&
-      video_rtp_header_extensions() OVERRIDE {
-    return delegate_->video_rtp_header_extensions();
-  }
-  virtual void SetVoiceLogging(int min_sev, const char* filter) OVERRIDE {
-    delegate_->SetVoiceLogging(min_sev, filter);
-  }
-  virtual void SetVideoLogging(int min_sev, const char* filter) OVERRIDE {
-    delegate_->SetVideoLogging(min_sev, filter);
-  }
-  virtual bool StartAecDump(rtc::PlatformFile file) OVERRIDE {
-    return delegate_->StartAecDump(file);
-  }
-  virtual bool RegisterVoiceProcessor(
-      uint32 ssrc, VoiceProcessor* video_processor,
-      MediaProcessorDirection direction) OVERRIDE {
-    return delegate_->RegisterVoiceProcessor(ssrc, video_processor, direction);
-  }
-  virtual bool UnregisterVoiceProcessor(
-      uint32 ssrc, VoiceProcessor* video_processor,
-      MediaProcessorDirection direction) OVERRIDE {
-    return delegate_->UnregisterVoiceProcessor(ssrc, video_processor,
-        direction);
-  }
-  virtual VideoFormat GetStartCaptureFormat() const OVERRIDE {
-    return delegate_->GetStartCaptureFormat();
-  }
-  virtual sigslot::repeater2<VideoCapturer*, CaptureState>&
-      SignalVideoCaptureStateChange() {
-    return delegate_->SignalVideoCaptureStateChange();
-  }
-
- private:
-  cricket::MediaEngineInterface* delegate_;
-};
-
 // Used by ChannelManager when no media engine is passed in to it
 // explicitly (acts as a default).
 MediaEngineInterface* WebRtcMediaEngineFactory::Create() {
   return new cricket::WebRtcMediaEngine();
 }
 
-// Used by PeerConnectionFactory and to create a media engine passed
-// into ChannelManager.
+// Used by PeerConnectionFactory to create a media engine passed into
+// ChannelManager.
 MediaEngineInterface* WebRtcMediaEngineFactory::Create(
     webrtc::AudioDeviceModule* adm,
     webrtc::AudioDeviceModule* adm_sc,
     WebRtcVideoEncoderFactory* encoder_factory,
     WebRtcVideoDecoderFactory* decoder_factory) {
-#if !defined(LIBPEERCONNECTION_LIB) && \
-    !defined(LIBPEERCONNECTION_IMPLEMENTATION)
-  return new cricket::DelegatingWebRtcMediaEngine();
-#else
   return CreateWebRtcMediaEngine(adm, adm_sc, encoder_factory, decoder_factory);
-#endif  // !defined(LIBPEERCONNECTION_LIB) &&
-        // !defined(LIBPEERCONNECTION_IMPLEMENTATION)
 }
 
 }  // namespace cricket
+
+#endif  // defined(LIBPEERCONNECTION_LIB) ||
+        // defined(LIBPEERCONNECTION_IMPLEMENTATION)
diff --git a/talk/media/webrtc/webrtcmediaengine.h b/talk/media/webrtc/webrtcmediaengine.h
index 6eb90cddf..b906f5d39 100644
--- a/talk/media/webrtc/webrtcmediaengine.h
+++ b/talk/media/webrtc/webrtcmediaengine.h
@@ -59,7 +59,14 @@ namespace cricket {
 
 class WebRtcMediaEngineFactory {
  public:
+#if !defined(LIBPEERCONNECTION_LIB) && \
+    !defined(LIBPEERCONNECTION_IMPLEMENTATION)
+// A bare Create() isn't supported when using the delegating media
+// engine.
+#else
   static MediaEngineInterface* Create();
+#endif  // !defined(LIBPEERCONNECTION_LIB) &&
+        // !defined(LIBPEERCONNECTION_IMPLEMENTATION)
   static MediaEngineInterface* Create(
       webrtc::AudioDeviceModule* adm,
       webrtc::AudioDeviceModule* adm_sc,
@@ -69,4 +76,144 @@ class WebRtcMediaEngineFactory {
 
 }  // namespace cricket
 
+
+#if !defined(LIBPEERCONNECTION_LIB) && \
+    !defined(LIBPEERCONNECTION_IMPLEMENTATION)
+
+namespace cricket {
+
+// TODO(pthacther): Move this code into webrtcmediaengine.cc once
+// Chrome compiles it.  Right now it relies on only the .h file.
+class DelegatingWebRtcMediaEngine : public cricket::MediaEngineInterface {
+ public:
+  DelegatingWebRtcMediaEngine(
+      webrtc::AudioDeviceModule* adm,
+      webrtc::AudioDeviceModule* adm_sc,
+      WebRtcVideoEncoderFactory* encoder_factory,
+      WebRtcVideoDecoderFactory* decoder_factory)
+      : delegate_(CreateWebRtcMediaEngine(
+          adm, adm_sc, encoder_factory, decoder_factory)) {
+  }
+  virtual ~DelegatingWebRtcMediaEngine() {
+    DestroyWebRtcMediaEngine(delegate_);
+  }
+  virtual bool Init(rtc::Thread* worker_thread) OVERRIDE {
+    return delegate_->Init(worker_thread);
+  }
+  virtual void Terminate() OVERRIDE {
+    delegate_->Terminate();
+  }
+  virtual int GetCapabilities() OVERRIDE {
+    return delegate_->GetCapabilities();
+  }
+  virtual VoiceMediaChannel* CreateChannel() OVERRIDE {
+    return delegate_->CreateChannel();
+  }
+  virtual VideoMediaChannel* CreateVideoChannel(
+      VoiceMediaChannel* voice_media_channel) OVERRIDE {
+    return delegate_->CreateVideoChannel(voice_media_channel);
+  }
+  virtual SoundclipMedia* CreateSoundclip() OVERRIDE {
+    return delegate_->CreateSoundclip();
+  }
+  virtual AudioOptions GetAudioOptions() const OVERRIDE {
+    return delegate_->GetAudioOptions();
+  }
+  virtual bool SetAudioOptions(const AudioOptions& options) OVERRIDE {
+    return delegate_->SetAudioOptions(options);
+  }
+  virtual bool SetVideoOptions(const VideoOptions& options) OVERRIDE {
+    return delegate_->SetVideoOptions(options);
+  }
+  virtual bool SetAudioDelayOffset(int offset) OVERRIDE {
+    return delegate_->SetAudioDelayOffset(offset);
+  }
+  virtual bool SetDefaultVideoEncoderConfig(
+      const VideoEncoderConfig& config) OVERRIDE {
+    return delegate_->SetDefaultVideoEncoderConfig(config);
+  }
+  virtual VideoEncoderConfig GetDefaultVideoEncoderConfig() const OVERRIDE {
+    return delegate_->GetDefaultVideoEncoderConfig();
+  }
+  virtual bool SetSoundDevices(
+      const Device* in_device, const Device* out_device) OVERRIDE {
+    return delegate_->SetSoundDevices(in_device, out_device);
+  }
+  virtual bool GetOutputVolume(int* level) OVERRIDE {
+    return delegate_->GetOutputVolume(level);
+  }
+  virtual bool SetOutputVolume(int level) OVERRIDE {
+    return delegate_->SetOutputVolume(level);
+  }
+  virtual int GetInputLevel() OVERRIDE {
+    return delegate_->GetInputLevel();
+  }
+  virtual bool SetLocalMonitor(bool enable) OVERRIDE {
+    return delegate_->SetLocalMonitor(enable);
+  }
+  virtual bool SetLocalRenderer(VideoRenderer* renderer) OVERRIDE {
+    return delegate_->SetLocalRenderer(renderer);
+  }
+  virtual const std::vector<AudioCodec>& audio_codecs() OVERRIDE {
+    return delegate_->audio_codecs();
+  }
+  virtual const std::vector<RtpHeaderExtension>&
+      audio_rtp_header_extensions() OVERRIDE {
+    return delegate_->audio_rtp_header_extensions();
+  }
+  virtual const std::vector<VideoCodec>& video_codecs() OVERRIDE {
+    return delegate_->video_codecs();
+  }
+  virtual const std::vector<RtpHeaderExtension>&
+      video_rtp_header_extensions() OVERRIDE {
+    return delegate_->video_rtp_header_extensions();
+  }
+  virtual void SetVoiceLogging(int min_sev, const char* filter) OVERRIDE {
+    delegate_->SetVoiceLogging(min_sev, filter);
+  }
+  virtual void SetVideoLogging(int min_sev, const char* filter) OVERRIDE {
+    delegate_->SetVideoLogging(min_sev, filter);
+  }
+  virtual bool StartAecDump(rtc::PlatformFile file) OVERRIDE {
+    return delegate_->StartAecDump(file);
+  }
+  virtual bool RegisterVoiceProcessor(
+      uint32 ssrc, VoiceProcessor* video_processor,
+      MediaProcessorDirection direction) OVERRIDE {
+    return delegate_->RegisterVoiceProcessor(ssrc, video_processor, direction);
+  }
+  virtual bool UnregisterVoiceProcessor(
+      uint32 ssrc, VoiceProcessor* video_processor,
+      MediaProcessorDirection direction) OVERRIDE {
+    return delegate_->UnregisterVoiceProcessor(ssrc, video_processor,
+        direction);
+  }
+  virtual VideoFormat GetStartCaptureFormat() const OVERRIDE {
+    return delegate_->GetStartCaptureFormat();
+  }
+  virtual sigslot::repeater2<VideoCapturer*, CaptureState>&
+      SignalVideoCaptureStateChange() {
+    return delegate_->SignalVideoCaptureStateChange();
+  }
+
+ private:
+  cricket::MediaEngineInterface* delegate_;
+};
+
+// Used by PeerConnectionFactory to create a media engine passed into
+// ChannelManager.
+MediaEngineInterface* WebRtcMediaEngineFactory::Create(
+    webrtc::AudioDeviceModule* adm,
+    webrtc::AudioDeviceModule* adm_sc,
+    WebRtcVideoEncoderFactory* encoder_factory,
+    WebRtcVideoDecoderFactory* decoder_factory) {
+  return new cricket::DelegatingWebRtcMediaEngine(
+      adm, adm_sc, encoder_factory, decoder_factory);
+}
+
+}  // namespace cricket
+
+#endif  // !defined(LIBPEERCONNECTION_LIB) &&
+        // !defined(LIBPEERCONNECTION_IMPLEMENTATION)
+
 #endif  // TALK_MEDIA_WEBRTCMEDIAENGINE_H_