webm_parser: Convert style to match the rest of libwebm

Remove webm_parser/clang-format-style.
Run clang-format -style=file -i for each source file.

Change-Id: Ieaf44bd323375cbcfec67014e94b7742d6bda14a

webm_parser/src/block_header_parser.h

@@ -50,11 +50,13 @@ class BlockHeaderParser : public Parser {
   int timecode_bytes_remaining_ = 2;
 
   enum class State {
+    /* clang-format off */
     // State                 Transitions to state  When
     kReadingTrackNumber,  // kReadingTimecode      track parsed
     kReadingTimecode,     // kReadingFlags         timecode parsed
     kReadingFlags,        // kDone                 flags parsed
     kDone,                // No transitions from here (must call Init)
+    /* clang-format on */
   } state_ = State::kReadingTrackNumber;
 };