Switch to standard integer types in content/renderer/.

content/renderer/render_frame_proxy.cc

Index: content/renderer/render_frame_proxy.cc
diff --git a/content/renderer/render_frame_proxy.cc b/content/renderer/render_frame_proxy.cc
index 4c27261287f9d9df75edd0d7c169623accfb908c..3e17627e96865c31471c16c0b8c687d632fdfdea 100644
--- a/content/renderer/render_frame_proxy.cc
+++ b/content/renderer/render_frame_proxy.cc
@@ -4,6 +4,8 @@
 
 #include "content/renderer/render_frame_proxy.h"
 
+#include <stdint.h>
+
 #include <map>
 
 #include "base/command_line.h"
@@ -116,7 +118,7 @@ RenderFrameProxy* RenderFrameProxy::CreateFrameProxy(
 }
 
 // static
-RenderFrameProxy* RenderFrameProxy::FromRoutingID(int32 routing_id) {
+RenderFrameProxy* RenderFrameProxy::FromRoutingID(int32_t routing_id) {
   RoutingIDProxyMap* proxies = g_routing_id_proxy_map.Pointer();
   RoutingIDProxyMap::iterator it = proxies->find(routing_id);
   return it == proxies->end() ? NULL : it->second;