Add compile time checks against longs being used in IPC structs on 32 bit Android.

content/common/view_messages.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 1141 matching lines @@
 IPC_MESSAGE_ROUTED2(ViewHostMsg_SetTooltipText,
                     base::string16 /* tooltip text string */,
                     blink::WebTextDirection /* text direction hint */)
 
 // Notification that the text selection has changed.
 // Note: The secound parameter is the character based offset of the
 // base::string16
 // text in the document.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_SelectionChanged,
                     base::string16 /* text covers the selection range */,
-                    size_t /* the offset of the text in the document */,
+                    uint32_t /* the offset of the text in the document */,
                     gfx::Range /* selection range in the document */)
 
 // Notification that the selection bounds have changed.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_SelectionBoundsChanged,
                     ViewHostMsg_SelectionBounds_Params)
 
 // Asks the browser to display the file chooser.  The result is returned in a
 // ViewMsg_RunFileChooserResponse message.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_RunFileChooser,
                     content::FileChooserParams)
@@ skipping 155 matching lines @@
 // Instructs the browser to start plugin IME.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_StartPluginIme)
 
 // Receives content of a web page as plain text.
 IPC_MESSAGE_ROUTED1(ViewMsg_GetRenderedTextCompleted, std::string)
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent ViewMsg, then ifdefs for platform specific ViewMsg, then platform
 // independent ViewHostMsg, then ifdefs for platform specific ViewHostMsg.