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

content/browser/frame_host/render_frame_host_impl.cc

 // 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.
 
 #include "content/browser/frame_host/render_frame_host_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/containers/hash_tables.h"
@@ skipping 1375 matching lines @@
     IPC::Message* reply_msg) {
   // While a JS beforeunload dialog is showing, tabs in the same process
   // shouldn't process input events.
   GetProcess()->SetIgnoreInputEvents(true);
   render_view_host_->GetWidget()->StopHangMonitorTimeout();
   delegate_->RunBeforeUnloadConfirm(this, message, is_reload, reply_msg);
 }
 
 void RenderFrameHostImpl::OnTextSurroundingSelectionResponse(
     const base::string16& content,
-    size_t start_offset,
-    size_t end_offset) {
+    uint32_t start_offset,
+    uint32_t end_offset) {
   render_view_host_->OnTextSurroundingSelectionResponse(
       content, start_offset, end_offset);
 }
 
 void RenderFrameHostImpl::OnDidAccessInitialDocument() {
   delegate_->DidAccessInitialDocument();
 }
 
 void RenderFrameHostImpl::OnDidChangeOpener(int32_t opener_routing_id) {
   frame_tree_node_->render_manager()->DidChangeOpener(opener_routing_id,
@@ skipping 1144 matching lines @@
   *dst = src;
 
   if (src.routing_id != -1)
     dst->tree_id = RoutingIDToAXTreeID(src.routing_id);
 
   if (src.parent_routing_id != -1)
     dst->parent_tree_id = RoutingIDToAXTreeID(src.parent_routing_id);
 }
 
 }  // namespace content