Including Brighten function in namespace VideoProcessing

This change is in response to Issue 173.

BUG=http://code.google.com/p/webrtc/issues/detail?id=173

Review URL: http://webrtc-codereview.appspot.com/328012

git-svn-id: http://webrtc.googlecode.com/svn/trunk@1250 4adac7df-926f-26a2-2b94-8c16560cd09d

src/modules/video_processing/main/source/brighten.cc

@@ -15,6 +15,7 @@
 #include "system_wrappers/interface/trace.h"
 
 namespace webrtc {
+namespace VideoProcessing {
 
 WebRtc_Word32 Brighten(WebRtc_UWord8* frame,
                        int width, int height, int delta) {
@@ -47,4 +48,5 @@ WebRtc_Word32 Brighten(WebRtc_UWord8* frame,
   return VPM_OK;
 }
 
+}  // namespace VideoProcessing
 }  // namespace webrtc

src/modules/video_processing/main/source/brighten.h

@@ -15,9 +15,12 @@
 #include "modules/video_processing/main/interface/video_processing.h"
 
 namespace webrtc {
+namespace VideoProcessing {
 
 WebRtc_Word32 Brighten(WebRtc_UWord8* frame,
                        int width, int height, int delta);
-}  // namespace
+
+}  // namespace VideoProcessing
+}  // namespace webrtc
 
 #endif  // MODULES_VIDEO_PROCESSING_MAIN_SOURCE_BRIGHTEN_H_

src/modules/video_processing/main/source/video_processing_impl.cc

@@ -250,7 +250,7 @@ VideoProcessingModule::Brighten(WebRtc_UWord8* frame,
                                     int height,
                                     int delta)
 {
-    return Brighten(frame, width, height, delta);
+    return VideoProcessing::Brighten(frame, width, height, delta);
 }
 
 WebRtc_Word32