Add builders for tracing event's structural arguments

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_vector.h"
 #include "skia/ext/refptr.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/rect_f.h"
 #include "ui/gfx/transform.h"
 
 namespace base {
+namespace debug {
+class TracedValue;
+}
 class Value;
 };
 
 namespace cc {
 
 class DrawQuad;
 class RenderPassDrawQuad;
 class CopyOutputRequest;
 class SharedQuadState;
 
@@ skipping 49 matching lines @@
               const gfx::Rect& output_rect,
               const gfx::Rect& damage_rect,
               const gfx::Transform& transform_to_root_target);
 
   void SetAll(Id id,
               const gfx::Rect& output_rect,
               const gfx::Rect& damage_rect,
               const gfx::Transform& transform_to_root_target,
               bool has_transparent_background);
 
-  scoped_ptr<base::Value> AsValue() const;
+  void AsValueInto(base::debug::TracedValue* dict) const;
 
   SharedQuadState* CreateAndAppendSharedQuadState();
   template <typename DrawQuadType>
   DrawQuadType* CreateAndAppendDrawQuad() {
     scoped_ptr<DrawQuadType> draw_quad = make_scoped_ptr(new DrawQuadType);
     quad_list.push_back(draw_quad.template PassAs<DrawQuad>());
     return static_cast<DrawQuadType*>(quad_list.back());
   }
 
   RenderPassDrawQuad* CopyFromAndAppendRenderPassDrawQuad(
@@ skipping 60 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_