Remove extension group from DOMWrapperWorld.

third_party/WebKit/Source/web/WebRemoteFrameImpl.h

 // 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.
 
 #ifndef WebRemoteFrameImpl_h
 #define WebRemoteFrameImpl_h
 
 #include "core/frame/RemoteFrame.h"
 #include "platform/heap/SelfKeepAlive.h"
 #include "public/platform/WebInsecureRequestPolicy.h"
@@ skipping 38 matching lines @@
   WebRect visibleContentRect() const override;
   bool hasHorizontalScrollbar() const override;
   bool hasVerticalScrollbar() const override;
   WebView* view() const override;
   WebDocument document() const override;
   WebPerformance performance() const override;
   void dispatchUnloadEvent() override;
   void executeScript(const WebScriptSource&) override;
   void executeScriptInIsolatedWorld(int worldID,
                                     const WebScriptSource* sources,
-                                    unsigned numSources,
-                                    int extensionGroup) override;
+                                    unsigned numSources) override;
   void setIsolatedWorldSecurityOrigin(int worldID,
                                       const WebSecurityOrigin&) override;
   void setIsolatedWorldContentSecurityPolicy(int worldID,
                                              const WebString&) override;
   void collectGarbage() override;
   v8::Local<v8::Value> executeScriptAndReturnValue(
       const WebScriptSource&) override;
   void executeScriptInIsolatedWorld(
       int worldID,
       const WebScriptSource* sourcesIn,
       unsigned numSources,
-      int extensionGroup,
       WebVector<v8::Local<v8::Value>>* results) override;
   v8::Local<v8::Value> callFunctionEvenIfScriptDisabled(
       v8::Local<v8::Function>,
       v8::Local<v8::Value>,
       int argc,
       v8::Local<v8::Value> argv[]) override;
   v8::Local<v8::Context> mainWorldScriptContext() const override;
   v8::Local<v8::Context> deprecatedMainWorldScriptContext() const override;
   void reload(WebFrameLoadType) override;
   void reloadWithOverrideURL(const WebURL& overrideUrl,
@@ skipping 106 matching lines @@
 
 DEFINE_TYPE_CASTS(WebRemoteFrameImpl,
                   WebFrame,
                   frame,
                   frame->isWebRemoteFrame(),
                   frame.isWebRemoteFrame());
 
 }  // namespace blink
 
 #endif  // WebRemoteFrameImpl_h