DevTools: Revert stepping over/out on a call frame backend code.

Source/core/inspector/InspectorDebuggerAgent.cpp

 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2013 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 769 matching lines @@
 
 void InspectorDebuggerAgent::resume(ErrorString* errorString)
 {
     if (!assertPaused(errorString))
         return;
     m_debuggerStepScheduled = false;
     m_injectedScriptManager->releaseObjectGroup(InspectorDebuggerAgent::backtraceObjectGroup);
     scriptDebugServer().continueProgram();
 }
 
-ScriptValue InspectorDebuggerAgent::resolveCallFrame(ErrorString* errorString, const String* callFrameId)
-{
-    if (!callFrameId)
-        return ScriptValue();
-    if (!isPaused() || m_currentCallStack.isEmpty()) {
-        *errorString = "Attempt to access callframe when debugger is not on pause";
-        return ScriptValue();
-    }
-    InjectedScript injectedScript = m_injectedScriptManager->injectedScriptForObjectId(*callFrameId);
-    if (injectedScript.isEmpty()) {
-        *errorString = "Inspected frame has gone";
-        return ScriptValue();
-    }
-    return injectedScript.findCallFrameById(errorString, m_currentCallStack, *callFrameId);
-}
-
-void InspectorDebuggerAgent::stepOver(ErrorString* errorString, const String* callFrameId)
+void InspectorDebuggerAgent::stepOver(ErrorString* errorString)
 {
     if (!assertPaused(errorString))
         return;
-    ScriptValue frame = resolveCallFrame(errorString, callFrameId);
-    if (!errorString->isEmpty())
-        return;
     m_debuggerStepScheduled = true;
     m_injectedScriptManager->releaseObjectGroup(InspectorDebuggerAgent::backtraceObjectGroup);
-    scriptDebugServer().stepOverStatement(frame);
+    scriptDebugServer().stepOverStatement();
 }
 
 void InspectorDebuggerAgent::stepInto(ErrorString* errorString)
 {
     if (!assertPaused(errorString))
         return;
     m_debuggerStepScheduled = true;
     m_injectedScriptManager->releaseObjectGroup(InspectorDebuggerAgent::backtraceObjectGroup);
     scriptDebugServer().stepIntoStatement();
     if (m_listener)
         m_listener->stepInto();
 }
 
-void InspectorDebuggerAgent::stepOut(ErrorString* errorString, const String* callFrameId)
+void InspectorDebuggerAgent::stepOut(ErrorString* errorString)
 {
     if (!assertPaused(errorString))
         return;
-    ScriptValue frame = resolveCallFrame(errorString, callFrameId);
-    if (!errorString->isEmpty())
-        return;
     m_debuggerStepScheduled = true;
     m_injectedScriptManager->releaseObjectGroup(InspectorDebuggerAgent::backtraceObjectGroup);
-    scriptDebugServer().stepOutOfFunction(frame);
+    scriptDebugServer().stepOutOfFunction();
 }
 
 void InspectorDebuggerAgent::setPauseOnExceptions(ErrorString* errorString, const String& stringPauseState)
 {
     ScriptDebugServer::PauseOnExceptionsState pauseState;
     if (stringPauseState == "none")
         pauseState = ScriptDebugServer::DontPauseOnExceptions;
     else if (stringPauseState == "all")
         pauseState = ScriptDebugServer::PauseOnAllExceptions;
     else if (stringPauseState == "uncaught")
@@ skipping 428 matching lines @@
 {
     m_scripts.clear();
     m_breakpointIdToDebugServerBreakpointIds.clear();
     m_asyncCallStackTracker.clear();
     if (m_frontend)
         m_frontend->globalObjectCleared();
 }
 
 } // namespace WebCore