Move allocate instance id to chrome/.

content/common/browser_plugin/browser_plugin_messages.h

Index: content/common/browser_plugin/browser_plugin_messages.h
diff --git a/content/common/browser_plugin/browser_plugin_messages.h b/content/common/browser_plugin/browser_plugin_messages.h
index 32e8f29bd63a0bf2286961476b27c088ca1748e3..a5aab35e422964644458574208b7ff955c6079ae 100644
--- a/content/common/browser_plugin/browser_plugin_messages.h
+++ b/content/common/browser_plugin/browser_plugin_messages.h
@@ -56,12 +56,9 @@ IPC_STRUCT_BEGIN(BrowserPluginHostMsg_ResizeGuest_Params)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(BrowserPluginHostMsg_Attach_Params)
-  IPC_STRUCT_MEMBER(std::string, storage_partition_id)
-  IPC_STRUCT_MEMBER(bool, persist_storage)
   IPC_STRUCT_MEMBER(bool, focused)
   IPC_STRUCT_MEMBER(bool, visible)
   IPC_STRUCT_MEMBER(bool, opaque)
-  IPC_STRUCT_MEMBER(std::string, src)
   IPC_STRUCT_MEMBER(GURL, embedder_frame_url)
   IPC_STRUCT_MEMBER(BrowserPluginHostMsg_AutoSize_Params, auto_size_params)
   IPC_STRUCT_MEMBER(BrowserPluginHostMsg_ResizeGuest_Params,
@@ -94,12 +91,6 @@ IPC_STRUCT_END()
 // -----------------------------------------------------------------------------
 // These messages are from the embedder to the browser process.
 
-// This message is sent to the browser process to request an instance ID.
-// |request_id| is used by BrowserPluginEmbedder to route the response back
-// to its origin.
-IPC_MESSAGE_ROUTED1(BrowserPluginHostMsg_AllocateInstanceID,
-                    int /* request_id */)
-
 // This message is sent from BrowserPlugin to BrowserPluginGuest to issue an
 // edit command.
 IPC_MESSAGE_ROUTED2(BrowserPluginHostMsg_ExecuteEditCommand,
@@ -233,13 +224,6 @@ IPC_MESSAGE_ROUTED2(BrowserPluginHostMsg_ResizeGuest,
 // -----------------------------------------------------------------------------
 // These messages are from the browser process to the embedder.
 
-// This message is sent from the browser process to the embedder render process
-// in response to a request to allocate an instance ID. The |request_id| is used
-// to route the response to the requestor.
-IPC_MESSAGE_ROUTED2(BrowserPluginMsg_AllocateInstanceID_ACK,
-                    int /* request_id */,
-                    int /* instance_id */)
-
 // This message is sent in response to a completed attachment of a guest
 // to a BrowserPlugin. This message carries information about the guest
 // that is used to update the attributes of the browser plugin.