Revert 186643 - Caused a 10% regression on SunSpider benchmark

chrome/renderer/extensions/send_request_natives.cc

 // Copyright (c) 2012 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 "chrome/renderer/extensions/send_request_natives.h"
 
 #include "base/json/json_reader.h"
 #include "content/public/renderer/v8_value_converter.h"
 #include "chrome/renderer/extensions/request_sender.h"
 
 using content::V8ValueConverter;
 
 namespace extensions {
 
 SendRequestNatives::SendRequestNatives(Dispatcher* dispatcher,
-                                       RequestSender* request_sender,
-                                       ChromeV8Context* context)
-    : ChromeV8Extension(dispatcher, context->v8_context()),
-      request_sender_(request_sender),
-      context_(context) {
+                                       RequestSender* request_sender)
+    : ChromeV8Extension(dispatcher), request_sender_(request_sender) {
   RouteFunction("GetNextRequestId",
                 base::Bind(&SendRequestNatives::GetNextRequestId,
                            base::Unretained(this)));
   RouteFunction("StartRequest",
                 base::Bind(&SendRequestNatives::StartRequest,
                            base::Unretained(this)));
-  RouteFunction("GetGlobal",
-                base::Bind(&SendRequestNatives::GetGlobal,
-                           base::Unretained(this)));
 }
 
 v8::Handle<v8::Value> SendRequestNatives::GetNextRequestId(
     const v8::Arguments& args) {
   static int next_request_id = 0;
   return v8::Integer::New(next_request_id++);
 }
 
 // Starts an API request to the browser, with an optional callback.  The
 // callback will be dispatched to EventBindings::HandleResponse.
 v8::Handle<v8::Value> SendRequestNatives::StartRequest(
     const v8::Arguments& args) {
   std::string name = *v8::String::AsciiValue(args[0]);
   int request_id = args[2]->Int32Value();
   bool has_callback = args[3]->BooleanValue();
   bool for_io_thread = args[4]->BooleanValue();
   bool preserve_null_in_objects = args[5]->BooleanValue();
 
   scoped_ptr<V8ValueConverter> converter(V8ValueConverter::create());
 
   // See http://crbug.com/149880. The context menus APIs relies on this, but
-  // we shouldn't really be doing it (e.g. for the sake of the storage API).
+  // we shouln't really be doing it (e.g. for the sake of the storage API).
   converter->SetFunctionAllowed(true);
 
   if (!preserve_null_in_objects)
     converter->SetStripNullFromObjects(true);
 
-  scoped_ptr<Value> value_args(converter->FromV8Value(args[1], v8_context()));
+  scoped_ptr<Value> value_args(
+      converter->FromV8Value(args[1], v8::Context::GetCurrent()));
   if (!value_args.get() || !value_args->IsType(Value::TYPE_LIST)) {
     NOTREACHED() << "Unable to convert args passed to StartRequest";
     return v8::Undefined();
   }
 
-  request_sender_->StartRequest(
-      context_, name, request_id, has_callback, for_io_thread,
-      static_cast<ListValue*>(value_args.get()));
+  request_sender_->StartRequest(name, request_id, has_callback, for_io_thread,
+                                static_cast<ListValue*>(value_args.get()));
   return v8::Undefined();
 }
 
-v8::Handle<v8::Value> SendRequestNatives::GetGlobal(const v8::Arguments& args) {
-  CHECK_EQ(1, args.Length());
-  CHECK(args[0]->IsObject());
-  return v8::Handle<v8::Object>::Cast(args[0])->CreationContext()->Global();
-}
-
 }  // namespace extensions