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

content/common/frame_messages.h

 // Copyright 2013 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 interacting with frames.
 // Multiply-included message file, hence no include guard.
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 710 matching lines @@
 // Notifies the color chooser client that the color chooser has ended.
 IPC_MESSAGE_ROUTED1(FrameMsg_DidEndColorChooser, unsigned)
 
 // Notifies the corresponding RenderFrameProxy object to replace itself with the
 // RenderFrame object it is associated with.
 IPC_MESSAGE_ROUTED0(FrameMsg_DeleteProxy)
 
 // Request the text surrounding the selection with a |max_length|. The response
 // will be sent via FrameHostMsg_TextSurroundingSelectionResponse.
 IPC_MESSAGE_ROUTED1(FrameMsg_TextSurroundingSelectionRequest,
-                    size_t /* max_length */)
+                    uint32_t /* max_length */)
 
 // Tells the renderer to insert a link to the specified stylesheet. This is
 // needed to support navigation transitions.
 IPC_MESSAGE_ROUTED1(FrameMsg_AddStyleSheetByURL, std::string)
 
 // Change the accessibility mode in the renderer process.
 IPC_MESSAGE_ROUTED1(FrameMsg_SetAccessibilityMode,
                     AccessibilityMode)
 
 // Dispatch a load event in the iframe element containing this frame.
@@ skipping 551 matching lines @@
                     int64_t /* player_cookie, distinguishes instances */)
 
 // Notify browser the theme color has been changed.
 IPC_MESSAGE_ROUTED1(FrameHostMsg_DidChangeThemeColor,
                     SkColor /* theme_color */)
 
 // Response for FrameMsg_TextSurroundingSelectionRequest, |startOffset| and
 // |endOffset| are the offsets of the selection in the returned |content|.
 IPC_MESSAGE_ROUTED3(FrameHostMsg_TextSurroundingSelectionResponse,
                     base::string16,  /* content */
-                    size_t, /* startOffset */
-                    size_t /* endOffset */)
+                    uint32_t, /* startOffset */
+                    uint32_t/* endOffset */)
 
 // Register a new handler for URL requests with the given scheme.
 IPC_MESSAGE_ROUTED4(FrameHostMsg_RegisterProtocolHandler,
                     std::string /* scheme */,
                     GURL /* url */,
                     base::string16 /* title */,
                     bool /* user_gesture */)
 
 // Unregister the registered handler for URL requests with the given scheme.
 IPC_MESSAGE_ROUTED3(FrameHostMsg_UnregisterProtocolHandler,
@@ skipping 137 matching lines @@
 IPC_MESSAGE_ROUTED3(FrameHostMsg_FindMatchRects_Reply,
                     int /* version */,
                     std::vector<gfx::RectF> /* rects */,
                     gfx::RectF /* active_rect */)
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent FrameMsg, then ifdefs for platform specific FrameMsg, then
 // platform independent FrameHostMsg, then ifdefs for platform specific
 // FrameHostMsg.