Use Local instead of Handle in src/content/*

content/renderer/web_ui_runner.h

Index: content/renderer/web_ui_runner.h
diff --git a/content/renderer/web_ui_runner.h b/content/renderer/web_ui_runner.h
index 2f17ab59deb79c994df2f34bbbdc7463b3adfc69..3778a423f23c844a3e4f4ceb6d5f082813ac9050 100644
--- a/content/renderer/web_ui_runner.h
+++ b/content/renderer/web_ui_runner.h
@@ -23,10 +23,10 @@ class WebUIRunner : public gin::Runner {
   // Runner overrides:
   void Run(const std::string& source,
            const std::string& resource_name) override;
-  v8::Handle<v8::Value> Call(v8::Handle<v8::Function> function,
-                             v8::Handle<v8::Value> receiver,
+  v8::Local<v8::Value> Call(v8::Local<v8::Function> function,
+                             v8::Local<v8::Value> receiver,
                              int argc,
-                             v8::Handle<v8::Value> argv[]) override;
+                             v8::Local<v8::Value> argv[]) override;
   gin::ContextHolder* GetContextHolder() override;
 
  private: