Revert 186643 - Caused a 10% regression on SunSpider benchmark

chrome/renderer/extensions/webstore_bindings.cc

Index: chrome/renderer/extensions/webstore_bindings.cc
===================================================================
--- chrome/renderer/extensions/webstore_bindings.cc	(revision 186747)
+++ chrome/renderer/extensions/webstore_bindings.cc	(working copy)
@@ -53,7 +53,7 @@
 
 WebstoreBindings::WebstoreBindings(Dispatcher* dispatcher,
                                    ChromeV8Context* context)
-    : ChromeV8Extension(dispatcher, context->v8_context()),
+    : ChromeV8Extension(dispatcher),
       ChromeV8ExtensionHandler(context) {
   RouteFunction("Install",
                 base::Bind(&WebstoreBindings::Install, base::Unretained(this)));
@@ -61,7 +61,7 @@
 
 v8::Handle<v8::Value> WebstoreBindings::Install(
     const v8::Arguments& args) {
-  WebFrame* frame = WebFrame::frameForContext(v8_context());
+  WebFrame* frame = WebFrame::frameForCurrentContext();
   if (!frame || !frame->view())
     return v8::Undefined();