Add more trace events to "benchmark" category

content/browser/renderer_host/compositor_impl_android.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 "content/browser/renderer_host/compositor_impl_android.h"
 
 #include <android/bitmap.h>
 #include <android/native_window_jni.h>
 
 #include "base/android/jni_android.h"
@@ skipping 221 matching lines @@
         // vsync.
         composite_on_vsync_trigger_ = COMPOSITE_EVENTUALLY;
         root_window_->RequestVSyncUpdate();
         DCHECK(WillComposite());
         return;
       }
 
       delay = next_composite - now;
     }
   }
-  TRACE_EVENT2("cc", "CompositorImpl::PostComposite",
+  TRACE_EVENT2("cc,benchmark", "CompositorImpl::PostComposite",
                "trigger", trigger,
                "delay", delay.InMillisecondsF());
 
   DCHECK(composite_on_vsync_trigger_ == DO_NOT_COMPOSITE);
   if (current_composite_task_)
     current_composite_task_->Cancel();
 
   // Unretained because we cancel the task on shutdown.
   current_composite_task_.reset(new base::CancelableClosure(
       base::Bind(&CompositorImpl::Composite, base::Unretained(this), trigger)));
@@ skipping 442 matching lines @@
 
 void CompositorImpl::SetNeedsAnimate() {
   needs_animate_ = true;
   if (!host_)
     return;
 
   host_->SetNeedsAnimate();
 }
 
 }  // namespace content