[cc] Trace detailed tile info when --trace-all-rendered-frames

cc/layer_tree_host.cc

 // Copyright 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 "cc/layer_tree_host.h"
 
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/message_loop.h"
 #include "base/stl_util.h"
@@ skipping 819 matching lines @@
     setNeedsCommit();
 }
 
 bool LayerTreeHost::blocksPendingCommit() const
 {
     if (!m_rootLayer)
         return false;
     return m_rootLayer->blocksPendingCommitRecursive();
 }
 
+scoped_ptr<base::Value> LayerTreeHost::asValue() const
+{
+    scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue());
+    state->Set("proxy", m_proxy->asValue().release());
+    return state.PassAs<base::Value>();
+}
+
 void LayerTreeHost::animateLayers(base::TimeTicks time)
 {
     if (!m_settings.acceleratedAnimationEnabled || m_animationRegistrar->active_animation_controllers().empty())
         return;
 
     TRACE_EVENT0("cc", "LayerTreeHostImpl::animateLayers");
 
     double monotonicTime = (time - base::TimeTicks()).InSecondsF();
 
     AnimationRegistrar::AnimationControllerMap copy = m_animationRegistrar->active_animation_controllers();
@@ skipping 20 matching lines @@
     for (size_t childIndex = 0; childIndex < layer->children().size(); ++childIndex)
         setAnimationEventsRecursive(events, layer->children()[childIndex].get(), wallClockTime);
 }
 
 skia::RefPtr<SkPicture> LayerTreeHost::capturePicture()
 {
     return m_proxy->capturePicture();
 }
 
 }  // namespace cc