HUD: Show first paint invalidation in red

cc/blink/web_layer_impl.cc

 // Copyright 2014 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/blink/web_layer_impl.h"
 
 #include "base/bind.h"
-#include "base/debug/trace_event_impl.h"
 #include "base/lazy_instance.h"
 #include "base/strings/string_util.h"
-#include "base/threading/thread_checker.h"
 #include "cc/animation/animation.h"
 #include "cc/base/region.h"
 #include "cc/base/switches.h"
+#include "cc/blink/blink_layer_debug_info.h"
 #include "cc/blink/web_animation_impl.h"
 #include "cc/blink/web_blend_mode.h"
 #include "cc/blink/web_filter_operations_impl.h"
 #include "cc/blink/web_to_cc_animation_delegate_adapter.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_position_constraint.h"
 #include "cc/trees/layer_tree_host.h"
 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
 #include "third_party/WebKit/public/platform/WebFloatRect.h"
-#include "third_party/WebKit/public/platform/WebGraphicsLayerDebugInfo.h"
 #include "third_party/WebKit/public/platform/WebLayerClient.h"
 #include "third_party/WebKit/public/platform/WebLayerPositionConstraint.h"
 #include "third_party/WebKit/public/platform/WebLayerScrollClient.h"
 #include "third_party/WebKit/public/platform/WebSize.h"
 #include "third_party/skia/include/utils/SkMatrix44.h"
 
 using cc::Animation;
 using cc::Layer;
 using blink::WebLayer;
 using blink::WebFloatPoint;
@@ skipping 385 matching lines @@
 }
 
 bool WebLayerImpl::isOrphan() const {
   return !layer_->layer_tree_host();
 }
 
 void WebLayerImpl::setWebLayerClient(blink::WebLayerClient* client) {
   web_layer_client_ = client;
 }
 
-class TracedDebugInfo : public base::debug::ConvertableToTraceFormat {
- public:
-  // This object takes ownership of the debug_info object.
-  explicit TracedDebugInfo(blink::WebGraphicsLayerDebugInfo* debug_info)
-      : debug_info_(debug_info) {}
-  virtual void AppendAsTraceFormat(std::string* out) const OVERRIDE {
-    DCHECK(thread_checker_.CalledOnValidThread());
-    blink::WebString web_string;
-    debug_info_->appendAsTraceFormat(&web_string);
-    out->append(web_string.utf8());
-  }
-
- private:
-  virtual ~TracedDebugInfo() {}
-  scoped_ptr<blink::WebGraphicsLayerDebugInfo> debug_info_;
-  base::ThreadChecker thread_checker_;
-};
-
-scoped_refptr<base::debug::ConvertableToTraceFormat>
-WebLayerImpl::TakeDebugInfo() {
+scoped_refptr<cc::LayerDebugInfo> WebLayerImpl::TakeDebugInfo() {
   if (!web_layer_client_)
     return NULL;
   blink::WebGraphicsLayerDebugInfo* debug_info =
       web_layer_client_->takeDebugInfoFor(this);
 
   if (debug_info)
-    return new TracedDebugInfo(debug_info);
+    return new BlinkLayerDebugInfo(debug_info);
   else
     return NULL;
 }
 
 void WebLayerImpl::setScrollParent(blink::WebLayer* parent) {
   cc::Layer* scroll_parent = NULL;
   if (parent)
     scroll_parent = static_cast<WebLayerImpl*>(parent)->layer();
   layer_->SetScrollParent(scroll_parent);
 }
 
 void WebLayerImpl::setClipParent(blink::WebLayer* parent) {
   cc::Layer* clip_parent = NULL;
   if (parent)
     clip_parent = static_cast<WebLayerImpl*>(parent)->layer();
   layer_->SetClipParent(clip_parent);
 }
 
 Layer* WebLayerImpl::layer() const {
   return layer_.get();
 }
 
 }  // namespace cc_blink