cc: Add frame data to LTHI tracing

cc/quads/render_pass.h

 // 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.
 
 #ifndef CC_QUADS_RENDER_PASS_H_
 #define CC_QUADS_RENDER_PASS_H_
 
 #include <utility>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/containers/hash_tables.h"
 #include "cc/base/cc_export.h"
 #include "cc/base/scoped_ptr_hash_map.h"
 #include "cc/base/scoped_ptr_vector.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkImageFilter.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/rect_f.h"
 #include "ui/gfx/transform.h"
 
+namespace base {
+class Value;
+};
+
 namespace cc {
 
 class DrawQuad;
 class CopyOutputRequest;
 class SharedQuadState;
 
 // A list of DrawQuad objects, sorted internally in front-to-back order.
 class QuadList : public ScopedPtrVector<DrawQuad> {
  public:
   typedef reverse_iterator BackToFrontIterator;
   typedef const_reverse_iterator ConstBackToFrontIterator;
 
   inline BackToFrontIterator BackToFrontBegin() { return rbegin(); }
   inline BackToFrontIterator BackToFrontEnd() { return rend(); }
   inline ConstBackToFrontIterator BackToFrontBegin() const { return rbegin(); }
   inline ConstBackToFrontIterator BackToFrontEnd() const { return rend(); }
 };
 
 typedef ScopedPtrVector<SharedQuadState> SharedQuadStateList;
 
 class CC_EXPORT RenderPass {
  public:
   struct Id {
     int layer_id;
     int index;
 
     Id(int layer_id, int index) : layer_id(layer_id), index(index) {}
+    void* AsTracingId() const;
 
     bool operator==(const Id& other) const {
       return layer_id == other.layer_id && index == other.index;
     }
     bool operator!=(const Id& other) const {
       return !(*this == other);
     }
     bool operator<(const Id& other) const {
       return layer_id < other.layer_id ||
           (layer_id == other.layer_id && index < other.index);
@@ skipping 12 matching lines @@
               gfx::RectF damage_rect,
               const gfx::Transform& transform_to_root_target);
 
   void SetAll(Id id,
               gfx::Rect output_rect,
               gfx::RectF damage_rect,
               const gfx::Transform& transform_to_root_target,
               bool has_transparent_background,
               bool has_occlusion_from_outside_target_surface);
 
+  scoped_ptr<base::Value> AsValue() const;
+
   // Uniquely identifies the render pass in the compositor's current frame.
   Id id;
 
   // These are in the space of the render pass' physical pixels.
   gfx::Rect output_rect;
   gfx::RectF damage_rect;
 
   // Transforms from the origin of the |output_rect| to the origin of the root
   // render pass' |output_rect|.
   gfx::Transform transform_to_root_target;
@@ skipping 39 matching lines @@
 #error define a hash function for your compiler
 #endif  // COMPILER
 }  // namespace BASE_HASH_NAMESPACE
 
 namespace cc {
 typedef ScopedPtrVector<RenderPass> RenderPassList;
 typedef base::hash_map<RenderPass::Id, RenderPass*> RenderPassIdHashMap;
 }  // namespace cc
 
 #endif  // CC_QUADS_RENDER_PASS_H_