Replicating WebFrame::uniqueName across renderers.

content/common/frame_messages.h

Index: content/common/frame_messages.h
diff --git a/content/common/frame_messages.h b/content/common/frame_messages.h
index 6e9f362f6d5604430f3fb1a417adbd83f871dfba..902b752fe7e2bfa9c60e965919686038d3db40b3 100644
--- a/content/common/frame_messages.h
+++ b/content/common/frame_messages.h
@@ -375,6 +375,7 @@ IPC_STRUCT_TRAITS_BEGIN(content::FrameReplicationState)
   IPC_STRUCT_TRAITS_MEMBER(origin)
   IPC_STRUCT_TRAITS_MEMBER(sandbox_flags)
   IPC_STRUCT_TRAITS_MEMBER(name)
+  IPC_STRUCT_TRAITS_MEMBER(unique_name)
   IPC_STRUCT_TRAITS_MEMBER(scope)
   IPC_STRUCT_TRAITS_MEMBER(should_enforce_strict_mixed_content_checking)
 IPC_STRUCT_TRAITS_END()
@@ -515,6 +516,15 @@ IPC_STRUCT_BEGIN(FrameHostMsg_HittestData_Params)
   IPC_STRUCT_MEMBER(bool, ignored_for_hittest)
 IPC_STRUCT_END()
 
+IPC_STRUCT_BEGIN(FrameHostMsg_CreateChildFrame_Params)
+  IPC_STRUCT_MEMBER(int32_t, parent_routing_id)
+  IPC_STRUCT_MEMBER(blink::WebTreeScopeType, scope)
+  IPC_STRUCT_MEMBER(std::string, frame_name)
+  IPC_STRUCT_MEMBER(std::string, frame_unique_name)
+  IPC_STRUCT_MEMBER(blink::WebSandboxFlags, sandbox_flags)
+  IPC_STRUCT_MEMBER(blink::WebFrameOwnerProperties, frame_owner_properties)
+IPC_STRUCT_END()
+
 #if defined(OS_MACOSX) || defined(OS_ANDROID)
 // This message is used for supporting popup menus on Mac OS X and Android using
 // native controls. See the FrameHostMsg_ShowPopup message.
@@ -874,14 +884,9 @@ IPC_MESSAGE_ROUTED4(FrameHostMsg_AddMessageToConsole,
 //
 // Each of these messages will have a corresponding FrameHostMsg_Detach message
 // sent when the frame is detached from the DOM.
-IPC_SYNC_MESSAGE_CONTROL5_1(
-    FrameHostMsg_CreateChildFrame,
-    int32_t /* parent_routing_id */,
-    blink::WebTreeScopeType /* scope */,
-    std::string /* frame_name */,
-    blink::WebSandboxFlags /* sandbox flags */,
-    blink::WebFrameOwnerProperties /* frame_owner_properties */,
-    int32_t /* new_routing_id */)
+IPC_SYNC_MESSAGE_CONTROL1_1(FrameHostMsg_CreateChildFrame,
+                            FrameHostMsg_CreateChildFrame_Params,
+                            int32_t /* new_routing_id */)
 
 // Sent by the renderer to the parent RenderFrameHost when a child frame is
 // detached from the DOM.
@@ -936,7 +941,9 @@ IPC_MESSAGE_ROUTED0(FrameHostMsg_DidStopLoading)
 IPC_MESSAGE_ROUTED1(FrameHostMsg_UpdateState, content::PageState /* state */)
 
 // Sent when the frame changes its window.name.
-IPC_MESSAGE_ROUTED1(FrameHostMsg_DidChangeName, std::string /* name */)
+IPC_MESSAGE_ROUTED2(FrameHostMsg_DidChangeName,
+                    std::string /* name */,
+                    std::string /* unique_name */)
 
 // Sent when the frame starts enforcing strict mixed content
 // checking. Sending this information in DidCommitProvisionalLoad isn't