Vp9 decoder mft support for AMD apu/gpu

content/public/common/content_switches.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.
 
 #include "build/build_config.h"
 #include "content/public/common/content_switches.h"
 
 namespace switches {
 
 // The number of MSAA samples for canvas2D. Requires MSAA support by GPU to
@@ skipping 1038 matching lines @@
 const char kDisableWin32kRendererLockDown[] =
     "disable-win32k-renderer-lockdown";
 
 // Enables the Win32K process mitigation policy for certain PPAPI mime
 // types. Each mime type is separated by a comma. Specify * to enable
 // the policy for all mime types.
 const char kEnableWin32kLockDownMimeTypes[] =
     "enable-win32k-lockdown-mimetypes";
 
 // Enables experimental hardware acceleration for VP8/VP9 video decoding.
+// Bitmask - 0x1=Microsoft, 0x2=AMD, 0x03=Try all.
 const char kEnableAcceleratedVpxDecode[] = "enable-accelerated-vpx-decode";
 
 // Enables H264 HW decode acceleration for WebRtc on Win 7.
 const char kEnableWin7WebRtcHWH264Decoding[] =
     "enable-win7-webrtc-hw-h264-decoding";
 
 // DirectWrite FontCache is shared by browser to renderers using shared memory.
 // This switch allows us to pass the shared memory handle to the renderer.
 const char kFontCacheSharedHandle[] = "font-cache-shared-handle";
 
@@ skipping 13 matching lines @@
 // the given directory. Used primarily to gather samples for IPC fuzzing.
 const char kIpcDumpDirectory[] = "ipc-dump-directory";
 
 // Specifies the testcase used by the IPC fuzzer.
 const char kIpcFuzzerTestcase[] = "ipc-fuzzer-testcase";
 #endif
 
 // Don't dump stuff here, follow the same order as the header.
 
 }  // namespace switches