Respect the order of input messages from browser to renderer

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 2e72e78d8a9476a7372aa2bb9bc7d0bcc728af9c..4d3c0ce4a639194a2f7c73680aff2ec049febb5e 100644
--- a/content/common/input_messages.h
+++ b/content/common/input_messages.h
@@ -151,6 +151,12 @@ IPC_MESSAGE_ROUTED2(InputMsg_ExtendSelectionAndDelete,
                     int /* before */,
                     int /* after */)
 
+// Selects between the given start and end offsets in the currently focused
+// editable field.
+IPC_MESSAGE_ROUTED2(InputMsg_SetEditableSelectionOffsets,
+                    int /* start */,
+                    int /* end */)
+
 // This message sends a string being composed with an input method.
 IPC_MESSAGE_ROUTED5(
     InputMsg_ImeSetComposition,