Rewrite extensions console to not leak function templates.

extensions/renderer/module_system.cc

 // Copyright 2014 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 "extensions/renderer/module_system.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 42 matching lines @@
   full_message += " context";
   if (context->extension()) {
     full_message += " for ";
     full_message += context->extension()->id();
   }
   full_message += ") ";
   full_message += message;
 
   ExtensionsClient* client = ExtensionsClient::Get();
   if (client->ShouldSuppressFatalErrors()) {
-    console::Error(context->GetRenderFrame(), full_message);
+    console::AddMessage(context->GetRenderFrame(),
+                        content::CONSOLE_MESSAGE_LEVEL_ERROR, full_message);
     client->RecordDidSuppressFatalError();
   } else {
     console::Fatal(context->GetRenderFrame(), full_message);
   }
 }
 
 void Warn(v8::Isolate* isolate, const std::string& message) {
   ScriptContext* script_context =
       ScriptContextSet::GetContextByV8Context(isolate->GetCurrentContext());
-  console::Warn(script_context ? script_context->GetRenderFrame() : nullptr,
-                message);
+  console::AddMessage(
+      script_context ? script_context->GetRenderFrame() : nullptr,
+      content::CONSOLE_MESSAGE_LEVEL_WARNING, message);
 }
 
 // Default exception handler which logs the exception.
 class DefaultExceptionHandler : public ModuleSystem::ExceptionHandler {
  public:
   explicit DefaultExceptionHandler(ScriptContext* context)
       : ModuleSystem::ExceptionHandler(context) {}
 
   // Fatally dumps the debug info from |try_catch| to the console.
   // Make sure this is never used for exceptions that originate in external
@@ skipping 755 matching lines @@
       !value->IsFunction()) {
     Fatal(context_, module_name + "." + method_name + " is not a function");
     return function;
   }
 
   function = v8::Local<v8::Function>::Cast(value);
   return function;
 }
 
 }  // namespace extensions