cc: Remove DrawQuad::IterateResoruces

cc/quads/draw_quad.h

Index: cc/quads/draw_quad.h
diff --git a/cc/quads/draw_quad.h b/cc/quads/draw_quad.h
index 0e26b6329f080e76b05a50488cdc720a3df87b39..94d88350463ac3833782da97adbe9ecceb23ee8a 100644
--- a/cc/quads/draw_quad.h
+++ b/cc/quads/draw_quad.h
@@ -96,8 +96,11 @@ class CC_EXPORT DrawQuad {
     return !opaque_rect.Contains(visible_rect);
   }
 
-  typedef base::Callback<ResourceId(ResourceId)> ResourceIteratorCallback;
-  virtual void IterateResources(const ResourceIteratorCallback& callback) = 0;
+  template <typename Lambda>
+  void IterateResources(const Lambda& lambda) {
+    for (size_t i = 0; i < resources.count; ++i)
+      resources.ids[i] = lambda(resources.ids[i]);
+  }
 
   // Is the left edge of this tile aligned with the originating layer's
   // left edge?
@@ -127,6 +130,16 @@ class CC_EXPORT DrawQuad {
 
   void AsValueInto(base::trace_event::TracedValue* value) const;
 
+  struct CC_EXPORT Resources {
+    enum { kMaxResourceIdCount = 4 };
+    Resources();
+
+    size_t count;
+    ResourceId ids[kMaxResourceIdCount];
+  };
+
+  Resources resources;
+
  protected:
   DrawQuad();