Replaced std::string argument storage in gpu_trace_event with faster TraceAnyType

content/renderer/renderer_gl_context.cc

 // Copyright (c) 2011 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/renderer/renderer_gl_context.h"
 
 #include "base/lazy_instance.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
@@ skipping 358 matching lines @@
 }
 
 bool RendererGLContext::Initialize(bool onscreen,
                                    gfx::PluginWindowHandle render_surface,
                                    int render_view_id,
                                    const gfx::Size& size,
                                    const char* allowed_extensions,
                                    const int32* attrib_list,
                                    const GURL& active_url) {
   DCHECK(size.width() >= 0 && size.height() >= 0);
-  GPU_TRACE_EVENT0("gpu", "RendererGLContext::Initialize");
+  GPU_TRACE_EVENT2("gpu", "RendererGLContext::Initialize",
+                   "on_screen", onscreen, "num_pixels", size.GetArea());
 
   if (channel_->state() != GpuChannelHost::kConnected)
     return false;
 
   // Ensure the gles2 library is initialized first in a thread safe way.
   g_gles2_initializer.Get();
 
   // Allocate a frame buffer ID with respect to the parent.
   if (parent_.get()) {
     // Flush any remaining commands in the parent context to make sure the
@@ skipping 195 matching lines @@
 }
 
 bool RendererGLContext::GetChildToParentLatch(uint32* child_to_parent_latch) {
   if (parent_.get()) {
     *child_to_parent_latch = child_to_parent_latch_;
     return true;
   }
   return false;
 }