Remove extension group from DOMWrapperWorld.

third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp

Index: third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp b/third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp
index 2b214bdc214cc1ad4d31486e50f53a9c7ce53430..ba6c90bd6896a599af749749d7e1e4d4fdf87c5f 100644
--- a/third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp
+++ b/third_party/WebKit/Source/web/WebRemoteFrameImpl.cpp
@@ -164,8 +164,7 @@ void WebRemoteFrameImpl::executeScript(const WebScriptSource&) {
 void WebRemoteFrameImpl::executeScriptInIsolatedWorld(
     int worldID,
     const WebScriptSource* sources,
-    unsigned numSources,
-    int extensionGroup) {
+    unsigned numSources) {
   NOTREACHED();
 }
 
@@ -195,7 +194,6 @@ void WebRemoteFrameImpl::executeScriptInIsolatedWorld(
     int worldID,
     const WebScriptSource* sourcesIn,
     unsigned numSources,
-    int extensionGroup,
     WebVector<v8::Local<v8::Value>>* results) {
   NOTREACHED();
 }