DevTools: Debugger StepInto/Out/Over initiated from a framework should not black-box it.

Source/core/inspector/InspectorDebuggerAgent.h

 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010-2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 181 matching lines @@
     virtual void enable();
     virtual void disable();
     virtual SkipPauseRequest didPause(ScriptState*, const ScriptValue& callFrames, const ScriptValue& exception, const Vector<String>& hitBreakpoints) OVERRIDE FINAL;
     virtual void didContinue() OVERRIDE FINAL;
     void reset();
     void pageDidCommitLoad();
 
 private:
     SkipPauseRequest shouldSkipExceptionPause();
     SkipPauseRequest shouldSkipStepPause();
+    bool isTopCallFrameInFramework();
 
     void cancelPauseOnNextStatement();
     void addMessageToConsole(MessageSource, MessageType);
 
     PassRefPtr<TypeBuilder::Array<TypeBuilder::Debugger::CallFrame> > currentCallFrames();
     PassRefPtr<TypeBuilder::Debugger::StackTrace> currentAsyncStackTrace();
 
     virtual void didParseSource(const String& scriptId, const Script&) OVERRIDE FINAL;
     virtual void failedToParseSource(const String& url, const String& data, int firstLine, int errorLine, const String& errorMessage) OVERRIDE FINAL;
 
@@ skipping 18 matching lines @@
     RefPtr<ScriptState> m_pausedScriptState;
     ScriptValue m_currentCallStack;
     ScriptsMap m_scripts;
     BreakpointIdToDebugServerBreakpointIdsMap m_breakpointIdToDebugServerBreakpointIds;
     DebugServerBreakpointToBreakpointIdAndSourceMap m_serverBreakpoints;
     String m_continueToLocationBreakpointId;
     InspectorFrontend::Debugger::Reason::Enum m_breakReason;
     RefPtr<JSONObject> m_breakAuxData;
     bool m_javaScriptPauseScheduled;
     bool m_debuggerStepScheduled;
+    bool m_steppingFromFramework;
     bool m_pausingOnNativeEvent;
     Listener* m_listener;
 
     int m_skippedStepInCount;
     int m_minFrameCountForSkip;
     bool m_skipAllPauses;
     OwnPtr<ScriptRegexp> m_cachedSkipStackRegExp;
     AsyncCallStackTracker m_asyncCallStackTracker;
 };
 
 } // namespace WebCore
 
 
 #endif // !defined(InspectorDebuggerAgent_h)