cc: Support anti-aliasing for solid color layers.

content/common/cc_messages.h

Index: content/common/cc_messages.h
diff --git a/content/common/cc_messages.h b/content/common/cc_messages.h
index e0ee85d91b6d8f4e00801edb3cf81bdc96c99082..d54f5a55c247093997d1586ba6065c0d272f14f0 100644
--- a/content/common/cc_messages.h
+++ b/content/common/cc_messages.h
@@ -98,6 +98,14 @@ struct CONTENT_EXPORT ParamTraits<cc::DelegatedFrameData> {
   static void Log(const param_type& p, std::string* l);
 };
 
+template<>
+struct CONTENT_EXPORT ParamTraits<cc::DrawQuad::AntiAliasing> {
+  typedef cc::DrawQuad::AntiAliasing param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, PickleIterator* iter, param_type* p);
+  static void Log(const param_type& p, std::string* l);
+};
+
 }  // namespace IPC
 
 #endif  // CONTENT_COMMON_CC_MESSAGES_H_
@@ -129,6 +137,7 @@ IPC_STRUCT_TRAITS_BEGIN(cc::DrawQuad)
   IPC_STRUCT_TRAITS_MEMBER(opaque_rect)
   IPC_STRUCT_TRAITS_MEMBER(visible_rect)
   IPC_STRUCT_TRAITS_MEMBER(needs_blending)
+  IPC_STRUCT_TRAITS_MEMBER(anti_aliasing)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(cc::CheckerboardDrawQuad)
@@ -186,10 +195,6 @@ IPC_STRUCT_TRAITS_BEGIN(cc::TileDrawQuad)
   IPC_STRUCT_TRAITS_MEMBER(tex_coord_rect)
   IPC_STRUCT_TRAITS_MEMBER(texture_size)
   IPC_STRUCT_TRAITS_MEMBER(swizzle_contents)
-  IPC_STRUCT_TRAITS_MEMBER(left_edge_aa)
-  IPC_STRUCT_TRAITS_MEMBER(top_edge_aa)
-  IPC_STRUCT_TRAITS_MEMBER(right_edge_aa)
-  IPC_STRUCT_TRAITS_MEMBER(bottom_edge_aa)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(cc::YUVVideoDrawQuad)