Compositor thread plumbing for layout rectangle debug info.

cc/layers/layer.h

 // Copyright 2010 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.
 
 #ifndef CC_LAYERS_LAYER_H_
 #define CC_LAYERS_LAYER_H_
 
 #include <set>
 #include <string>
 
@@ skipping 15 matching lines @@
 #include "cc/output/filter_operations.h"
 #include "cc/trees/occlusion_tracker.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkImageFilter.h"
 #include "third_party/skia/include/core/SkPicture.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/rect_f.h"
 #include "ui/gfx/transform.h"
 
+namespace base {
+namespace debug {
+class ConvertableToTraceFormat;
+}
+}
+
 namespace gfx {
 class BoxF;
 }
 
 namespace cc {
 
 class Animation;
 class AnimationDelegate;
 struct AnimationEvent;
 class CopyOutputRequest;
@@ skipping 380 matching lines @@
 
   virtual bool SupportsLCDText() const;
 
   bool needs_push_properties() const { return needs_push_properties_; }
   bool descendant_needs_push_properties() const {
     return num_dependents_need_push_properties_ > 0;
   }
 
   virtual void RunMicroBenchmark(MicroBenchmark* benchmark);
 
+  virtual void SetDebugInfo(base::debug::ConvertableToTraceFormat*);

[enne (OOO), 2013/11/25 20:16:45]

style nit: parameters should be named

[chrishtr_gmail.com, 2013/11/25 22:48:25]

Done.

+
  protected:
   friend class LayerImpl;
   friend class TreeSynchronizer;
   virtual ~Layer();
 
   Layer();
 
   // These SetNeeds functions are in order of severity of update:
   //
   // Called when this layer has been modified in some way, but isn't sure
@@ skipping 136 matching lines @@
   float raster_scale_;
 
   LayerClient* client_;
 
   ScopedPtrVector<CopyOutputRequest> copy_requests_;
 
   base::Closure did_scroll_callback_;
 
   DrawProperties<Layer> draw_properties_;
 
+  scoped_refptr<base::debug::ConvertableToTraceFormat> debug_info_;
+
   PaintProperties paint_properties_;
 
   DISALLOW_COPY_AND_ASSIGN(Layer);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_H_