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

content/renderer/renderer_gl_context.cc

Index: content/renderer/renderer_gl_context.cc
diff --git a/content/renderer/renderer_gl_context.cc b/content/renderer/renderer_gl_context.cc
index 18e0c1d60b94b9c6170934c8f7ce1f466251f200..8d559c488fd2a006ea6fbba055a977f4a76bd22d 100644
--- a/content/renderer/renderer_gl_context.cc
+++ b/content/renderer/renderer_gl_context.cc
@@ -376,7 +376,8 @@ bool RendererGLContext::Initialize(bool onscreen,
                                    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;