Use Local instead of Handle in src/content/*

content/renderer/pepper/pepper_webplugin_impl.cc

Index: content/renderer/pepper/pepper_webplugin_impl.cc
diff --git a/content/renderer/pepper/pepper_webplugin_impl.cc b/content/renderer/pepper/pepper_webplugin_impl.cc
index 5e23fb07cbe52e22d32c1b9815053c38c46eea7e..0caa190b0461432f89bd11635f5dde6646099123 100644
--- a/content/renderer/pepper/pepper_webplugin_impl.cc
+++ b/content/renderer/pepper/pepper_webplugin_impl.cc
@@ -156,7 +156,7 @@ v8::Local<v8::Object> PepperWebPluginImpl::v8ScriptableObject(
       message_channel->SetPassthroughObject(object_var->GetHandle());
   }
 
-  v8::Handle<v8::Object> result = instance_->GetMessageChannelObject();
+  v8::Local<v8::Object> result = instance_->GetMessageChannelObject();
   return result;
 }