Delete dead code: OmxVideoDecodeAccelerator is unused.

content/common/gpu/media/video_decode_accelerator_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 //
 // The bulk of this file is support code; sorry about that.  Here's an overview
 // to hopefully help readers of this code:
 // - RenderingHelper is charged with interacting with X11/{EGL/GLES2,GLX/GL} or
 //   Win/EGL.
 // - ClientState is an enum for the state of the decode client used by the test.
 // - ClientStateNotification is a barrier abstraction that allows the test code
@@ skipping 315 matching lines @@
   int num_queued_fragments() { return num_queued_fragments_; }
   int num_decoded_frames() { return num_decoded_frames_; }
   double frames_per_second();
   bool decoder_deleted() { return !decoder_.get(); }
 
  private:
   typedef std::map<int, media::PictureBuffer*> PictureBufferById;
 
   void SetState(ClientState new_state);
 
-  // Delete the associated OMX decoder helper.
+  // Delete the associated decoder helper.
   void DeleteDecoder();
 
   // Compute & return the first encoded bytes (including a start frame) to send
   // to the decoder, starting at |start_pos| and returning
   // |num_fragments_per_decode| units. Skips to the first decodable position.
   std::string GetBytesForFirstFragments(size_t start_pos, size_t* end_pos);
   // Compute & return the next encoded bytes to send to the decoder (based on
   // |start_pos| & |num_fragments_per_decode_|).
   std::string GetBytesForNextFragments(size_t start_pos, size_t* end_pos);
   // Helpers for GetRangeForNextFragments above.
@@ skipping 825 matching lines @@
 #elif defined(OS_CHROMEOS)
 #if defined(ARCH_CPU_ARMEL)
   content::ExynosVideoDecodeAccelerator::PreSandboxInitialization();
 #elif defined(ARCH_CPU_X86_FAMILY)
   content::VaapiWrapper::PreSandboxInitialization();
 #endif  // ARCH_CPU_ARMEL
 #endif  // OS_CHROMEOS
 
   return RUN_ALL_TESTS();
 }