Move MainWorldScriptContext accessor/method from WebFrame to WebLocalFrame.

content/renderer/gin_browsertest.cc

Index: content/renderer/gin_browsertest.cc
diff --git a/content/renderer/gin_browsertest.cc b/content/renderer/gin_browsertest.cc
index a8639a15318a3bec80db6c226260135b3aefeb0a..097dfe2fb1c6e6869bebc57ce80d2f4361627bb0 100644
--- a/content/renderer/gin_browsertest.cc
+++ b/content/renderer/gin_browsertest.cc
@@ -11,8 +11,8 @@
 #include "gin/per_isolate_data.h"
 #include "gin/wrappable.h"
 #include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebKit.h"
+#include "third_party/WebKit/public/web/WebLocalFrame.h"
 #include "third_party/WebKit/public/web/WebView.h"
 
 namespace content {
@@ -65,8 +65,7 @@ TEST_F(GinBrowserTest, GinAndGarbageCollection) {
   {
     v8::Isolate* isolate = blink::MainThreadIsolate();
     v8::HandleScope handle_scope(isolate);
-    v8::Context::Scope context_scope(
-        view_->GetWebView()->MainFrame()->MainWorldScriptContext());
+    v8::Context::Scope context_scope(GetMainFrame()->MainWorldScriptContext());
 
     // We create the object inside a scope so it's not kept alive by a handle
     // on the stack.