[Extension ServiceWorkers] Chrome: Passing v8::context to extensions dispatcher

extensions/renderer/dispatcher.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/dispatcher.h"
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/command_line.h"
 #include "base/debug/alias.h"
@@ skipping 66 matching lines @@
 #include "extensions/renderer/script_context.h"
 #include "extensions/renderer/script_context_set.h"
 #include "extensions/renderer/script_injection.h"
 #include "extensions/renderer/script_injection_manager.h"
 #include "extensions/renderer/send_request_natives.h"
 #include "extensions/renderer/set_icon_natives.h"
 #include "extensions/renderer/test_features_native_handler.h"
 #include "extensions/renderer/user_gestures_native_handler.h"
 #include "extensions/renderer/utils_native_handler.h"
 #include "extensions/renderer/v8_context_native_handler.h"
+#include "extensions/renderer/v8_helpers.h"
 #include "grit/extensions_renderer_resources.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/platform/WebURLRequest.h"
 #include "third_party/WebKit/public/web/WebCustomElement.h"
 #include "third_party/WebKit/public/web/WebDataSource.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebRuntimeFeatures.h"
 #include "third_party/WebKit/public/web/WebScopedUserGesture.h"
@@ skipping 202 matching lines @@
                           elapsed);
       break;
     case Feature::WEBUI_CONTEXT:
       UMA_HISTOGRAM_TIMES("Extensions.DidCreateScriptContext_WebUI", elapsed);
       break;
   }
 
   VLOG(1) << "Num tracked contexts: " << script_context_set_->size();
 }
 
+// static
+void Dispatcher::DidInitializeServiceWorkerContextOnWorkerThread(
+    v8::Local<v8::Context> context,
+    const GURL& url) {
+  if (url.SchemeIs(extensions::kExtensionScheme)) {
+    v8_helpers::SetProperty(context, context->Global(), "chrome",
+                            v8::Object::New(context->GetIsolate()));
+  }
+}
+
 void Dispatcher::WillReleaseScriptContext(
     blink::WebLocalFrame* frame,
     const v8::Local<v8::Context>& v8_context,
     int world_id) {
   ScriptContext* context = script_context_set_->GetByV8Context(v8_context);
   if (!context)
     return;
 
   context->DispatchOnUnloadEvent();
   // TODO(kalman): Make |request_sender| use |context->AddInvalidationObserver|.
@@ skipping 1133 matching lines @@
 void Dispatcher::AddChannelSpecificFeatures() {
   // chrome-extension: resources should be allowed to register a Service Worker.
   if (FeatureProvider::GetBehaviorFeature(BehaviorFeature::kServiceWorker)
           ->IsAvailableToEnvironment()
           .is_available())
     WebSecurityPolicy::registerURLSchemeAsAllowingServiceWorkers(
         WebString::fromUTF8(kExtensionScheme));
 }
 
 }  // namespace extensions