Fixed all overloaded virtual methods on Windows.

content/ppapi_plugin/ppapi_thread.h

Index: content/ppapi_plugin/ppapi_thread.h
diff --git a/content/ppapi_plugin/ppapi_thread.h b/content/ppapi_plugin/ppapi_thread.h
index 283b033b2210b6adf1682d2e2c096b3c738ab3d9..730af8589d9e341edf62e5525f1578444501b1fb 100644
--- a/content/ppapi_plugin/ppapi_thread.h
+++ b/content/ppapi_plugin/ppapi_thread.h
@@ -91,7 +91,7 @@ class PpapiThread : public ChildThreadImpl,
   // long as the main PpapiThread outlives it.
   IPC::Sender* GetBrowserSender() override;
   std::string GetUILanguage() override;
-  void PreCacheFont(const void* logfontw) override;
+  void PreCacheFontForFlash(const void* logfontw) override;
   void SetActiveURL(const std::string& url) override;
   PP_Resource CreateBrowserFont(ppapi::proxy::Connection connection,
                                 PP_Instance instance,