Cast: Flow hw encoder initialization error to extensions API

media/cast/test/fake_video_encode_accelerator.cc

 // Copyright 2014 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.
 
 #include "media/cast/test/fake_video_encode_accelerator.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/single_thread_task_runner.h"
 
 namespace media {
 namespace cast {
 namespace test {
 
 static const unsigned int kMinimumInputCount = 1;
 static const size_t kMinimumOutputBufferSize = 123456;
 
 FakeVideoEncodeAccelerator::FakeVideoEncodeAccelerator(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
     std::vector<uint32>* stored_bitrates)
     : task_runner_(task_runner),
       stored_bitrates_(stored_bitrates),
       client_(NULL),
       first_(true),
+      will_initialization_succeed_(true),
       weak_this_factory_(this) {
   DCHECK(stored_bitrates_);
 }
 
 FakeVideoEncodeAccelerator::~FakeVideoEncodeAccelerator() {
   weak_this_factory_.InvalidateWeakPtrs();
 }
 
 bool FakeVideoEncodeAccelerator::Initialize(
     media::VideoFrame::Format input_format,
     const gfx::Size& input_visible_size,
     VideoCodecProfile output_profile,
     uint32 initial_bitrate,
     Client* client) {
+  if (!will_initialization_succeed_)
+    return false;
   client_ = client;
   if (output_profile != media::VP8PROFILE_ANY &&
       output_profile != media::H264PROFILE_MAIN) {
     return false;
   }
   task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&FakeVideoEncodeAccelerator::DoRequireBitstreamBuffers,
                  weak_this_factory_.GetWeakPtr(),
                  kMinimumInputCount,
@@ skipping 54 matching lines @@
 void FakeVideoEncodeAccelerator::DoBitstreamBufferReady(
     int32 bitstream_buffer_id,
     size_t payload_size,
     bool key_frame) const {
   client_->BitstreamBufferReady(bitstream_buffer_id, payload_size, key_frame);
 }
 
 }  // namespace test
 }  // namespace cast
 }  // namespace media