Don't ignore OOM exceptions.

public/web/WebFrameClient.h

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 270 matching lines @@
     virtual void didDetectXSS(WebFrame*, const WebURL&, bool didBlockEntirePage) { }
 
     // A PingLoader was created, and a request dispatched to a URL.
     virtual void didDispatchPingLoader(WebFrame*, const WebURL&) { }
 
     // The loaders in this frame have been stopped.
     virtual void didAbortLoading(WebFrame*) { }
 
     // Script notifications ------------------------------------------------
 
-    // Script in the page tried to allocate too much memory.
-    virtual void didExhaustMemoryAvailableForScript(WebFrame*) { }
-
     // Notifies that a new script context has been created for this frame.
     // This is similar to didClearWindowObject but only called once per
     // frame context.
     virtual void didCreateScriptContext(WebFrame*, v8::Handle<v8::Context>, int extensionGroup, int worldId) { }
 
     // WebKit is about to release its reference to a v8 context for a frame.
     virtual void willReleaseScriptContext(WebFrame*, v8::Handle<v8::Context>, int worldId) { }
 
     // Geometry notifications ----------------------------------------------
 
@@ skipping 92 matching lines @@
     // Send initial drawing parameters to a child frame that is being rendered out of process.
     virtual void initializeChildFrame(const WebRect& frameRect, float scaleFactor) { }
 
 protected:
     ~WebFrameClient() { }
 };
 
 } // namespace blink
 
 #endif