Add VDA decode time test.

content/common/gpu/media/rendering_helper.cc

 // Copyright 2013 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 "content/common/gpu/media/rendering_helper.h"
 
 #include "base/bind.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringize_macros.h"
@@ skipping 63 matching lines @@
 }
 
 std::string GLContextStubWithExtensions::GetExtensions() {
   return extensions_;
 }
 
 }  // anonymous
 
 namespace content {
 
-RenderingHelperParams::RenderingHelperParams() {}
+RenderingHelperParams::RenderingHelperParams()
+    : num_windows(1), render_as_thumbnails(false) {}

[Ami GONE FROM CHROMIUM, 2013/11/04 18:26:51]

Why not instead make these ctor params and turn the members into const?

[wuchengli, 2013/11/05 06:24:15]

Making all the members to ctor introduces more code eventually. I reverted this
change to be consistent.

 
 RenderingHelperParams::~RenderingHelperParams() {}
 
 static const gfx::GLImplementation kGLImplementation =
 #if defined(GL_VARIANT_GLX)
     gfx::kGLImplementationDesktopGL;
 #elif defined(GL_VARIANT_EGL)
     gfx::kGLImplementationEGLGLES2;
 #else
     -1;
@@ skipping 468 matching lines @@
     *rgb_ptr++ = *rgba_ptr++;
     solid = solid && (*rgba_ptr == 0xff);
     rgba_ptr++;
   }
   *alpha_solid = solid;
 
   done->Signal();
 }
 
 }  // namespace content