Pull in various gpu/command_buffer fixes from chromium

gpu/command_buffer/service/texture_manager.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 "gpu/command_buffer/service/texture_manager.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bits.h"
@@ skipping 1626 matching lines @@
   TextureRef* texture_ref;
   if (!ValidateTexImage2D(state, "glTexImage2D", args, &texture_ref)) {
     return;
   }
 
   DoTexImage2D(texture_state, state->GetErrorState(), framebuffer_state,
                texture_ref, args);
 }
 
 GLenum TextureManager::AdjustTexFormat(GLenum format) const {
-  // TODO: GLES 3 allows for internal format and format to differ. This logic
-  // may need to change as a result.
+  // TODO(bajones): GLES 3 allows for internal format and format to differ.
+  // This logic may need to change as a result.
   if (gfx::GetGLImplementation() == gfx::kGLImplementationDesktopGL) {
     if (format == GL_SRGB_EXT)
       return GL_RGB;
     if (format == GL_SRGB_ALPHA_EXT)
       return GL_RGBA;
   }
   return format;
 }
 
 void TextureManager::DoTexImage2D(
@@ skipping 63 matching lines @@
 }
 
 ScopedTextureUploadTimer::~ScopedTextureUploadTimer() {
   texture_state_->texture_upload_count++;
   texture_state_->total_texture_upload_time +=
       base::TimeTicks::Now() - begin_time_;
 }
 
 }  // namespace gles2
 }  // namespace gpu