DevTools: show extension name in console context switcher

Source/bindings/v8/DOMWrapperWorld.h

Index: Source/bindings/v8/DOMWrapperWorld.h
diff --git a/Source/bindings/v8/DOMWrapperWorld.h b/Source/bindings/v8/DOMWrapperWorld.h
index 22128c642991a2b837b203304111a7a47af2ff19..5b392c0119c7b6469717f57132573baa5a58c363 100644
--- a/Source/bindings/v8/DOMWrapperWorld.h
+++ b/Source/bindings/v8/DOMWrapperWorld.h
@@ -68,6 +68,9 @@ public:
     // Will return null if there is no DOMWrapperWorld for the current v8::Context
     static DOMWrapperWorld* current();
 
+    static void setIsolatedWorldHumanReadableName(int worldID, const String&);
+    String isolatedWorldHumanReadableName();
+
     // Associates an isolated world (see above for description) with a security
     // origin. XMLHttpRequest instances used in that world will be considered
     // to come from that origin, not the frame's.