DO NOT SUBMIT: Bundle IME-related messages into one for batch edit

content/common/input_messages.h

Index: content/common/input_messages.h
diff --git a/content/common/input_messages.h b/content/common/input_messages.h
index a602eb56840f62b39a524522538045e4ddd49743..33a83c56a89ee7d2faef4eafe5c4e0067b1e1057 100644
--- a/content/common/input_messages.h
+++ b/content/common/input_messages.h
@@ -140,20 +140,20 @@ IPC_MESSAGE_ROUTED1(InputMsg_CursorVisibilityChange,
 
 // Sets the text composition to be between the given start and end offsets in
 // the currently focused editable field.
-IPC_MESSAGE_ROUTED3(InputMsg_SetCompositionFromExistingText,
+IPC_MESSAGE_ROUTED3(InputMsg_ImeSetCompositionFromExistingText,
     int /* start */,
     int /* end */,
     std::vector<blink::WebCompositionUnderline> /* underlines */)
 
 // Deletes the current selection plus the specified number of characters before
 // and after the selection or caret.
-IPC_MESSAGE_ROUTED2(InputMsg_ExtendSelectionAndDelete,
+IPC_MESSAGE_ROUTED2(InputMsg_ImeExtendSelectionAndDelete,
                     int /* before */,
                     int /* after */)
 
 // Selects between the given start and end offsets in the currently focused
 // editable field.
-IPC_MESSAGE_ROUTED2(InputMsg_SetEditableSelectionOffsets,
+IPC_MESSAGE_ROUTED2(InputMsg_ImeSetEditableSelectionOffsets,
                     int /* start */,
                     int /* end */)
 
@@ -172,6 +172,10 @@ IPC_MESSAGE_ROUTED3(InputMsg_ImeConfirmComposition,
                     gfx::Range /* replacement_range */,
                     bool /* keep_selection */)
 
+// Sends a list of IME-related messages to be executed at once as a batch.
+IPC_MESSAGE_ROUTED1(InputMsg_ImeBatchEdit,
+                    std::vector<IPC::Message> /* messages */)
+
 // This message notifies the renderer that the next key event is bound to one
 // or more pre-defined edit commands. If the next key event is not handled
 // by webkit, the specified edit commands shall be executed against current
@@ -259,11 +263,11 @@ IPC_MESSAGE_ROUTED1(InputMsg_MoveCaret,
 IPC_MESSAGE_ROUTED0(InputMsg_ImeEventAck)
 
 // Request from browser to update text input state.
-IPC_MESSAGE_ROUTED0(InputMsg_RequestTextInputStateUpdate)
+IPC_MESSAGE_ROUTED0(InputMsg_ImeRequestTextInputStateUpdate)
 #endif
 
 // Request from browser to update the cursor and composition information.
-IPC_MESSAGE_ROUTED2(InputMsg_RequestCompositionUpdate,
+IPC_MESSAGE_ROUTED2(InputMsg_ImeRequestCompositionUpdate,
                     bool /* immediate request */,
                     bool /* monitor request */)