Revert of Move Extension ScriptContext creation into ScriptContextSet.

chrome/renderer/extensions/webstore_bindings.cc

Index: chrome/renderer/extensions/webstore_bindings.cc
diff --git a/chrome/renderer/extensions/webstore_bindings.cc b/chrome/renderer/extensions/webstore_bindings.cc
index 876f736ba773be7528187fe5f06764f75b7a77e6..c46a23cb4ee56d6cf310b19f509f9387d933eb78 100644
--- a/chrome/renderer/extensions/webstore_bindings.cc
+++ b/chrome/renderer/extensions/webstore_bindings.cc
@@ -14,7 +14,6 @@
 #include "extensions/renderer/script_context.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebElement.h"
-#include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebNode.h"
 #include "third_party/WebKit/public/web/WebNodeList.h"
 #include "third_party/WebKit/public/web/WebUserGestureIndicator.h"
@@ -23,6 +22,7 @@
 
 using blink::WebDocument;
 using blink::WebElement;
+using blink::WebFrame;
 using blink::WebNode;
 using blink::WebNodeList;
 using blink::WebUserGestureIndicator;
@@ -79,7 +79,7 @@
 
   std::string webstore_item_id;
   std::string error;
-  blink::WebLocalFrame* frame = context()->web_frame();
+  WebFrame* frame = context()->web_frame();
 
   if (!GetWebstoreItemIdFromFrame(
       frame, preferred_store_link_url, &webstore_item_id, &error)) {
@@ -102,10 +102,8 @@
 
 // static
 bool WebstoreBindings::GetWebstoreItemIdFromFrame(
-    blink::WebLocalFrame* frame,
-    const std::string& preferred_store_link_url,
-    std::string* webstore_item_id,
-    std::string* error) {
+      WebFrame* frame, const std::string& preferred_store_link_url,
+      std::string* webstore_item_id, std::string* error) {
   if (frame != frame->top()) {
     *error = kNotInTopFrameError;
     return false;