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

extensions/renderer/dispatcher.cc

Index: extensions/renderer/dispatcher.cc
diff --git a/extensions/renderer/dispatcher.cc b/extensions/renderer/dispatcher.cc
index fb5d507348b8687139e447855d8752ab2bf9612f..e04385ea60c910056311e2146e800545e872eef4 100644
--- a/extensions/renderer/dispatcher.cc
+++ b/extensions/renderer/dispatcher.cc
@@ -84,6 +84,7 @@
 #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"
@@ -306,6 +307,16 @@ void Dispatcher::DidCreateScriptContext(
   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,