Support re-reading scope variables in protocol and on backed.

Source/core/inspector/InspectorDebuggerAgent.cpp

 /*
  * 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 622 matching lines @@
         }
     } else {
         *errorString = "Either call frame or function object must be specified";
         return;
     }
     String newValueString = newValue->toJSONString();
 
     injectedScript.setVariableValue(errorString, m_currentCallStack, callFrameId, functionObjectId, scopeNumber, variableName, newValueString);
 }
 
+void InspectorDebuggerAgent::updateCallFrameScopes(ErrorString* error, const WTF::String& callFrameId, RefPtr<TypeBuilder::Array<TypeBuilder::Debugger::Scope> >& scopeChain)
+{
+    InjectedScript injectedScript = m_injectedScriptManager->injectedScriptForObjectId(callFrameId);
+    if (injectedScript.hasNoValue()) {
+        *error = "Inspected frame has gone";
+        return;
+    }
+    injectedScript.getCallFrameScopes(error, m_currentCallStack, callFrameId, &scopeChain);
+}
+
 void InspectorDebuggerAgent::scriptExecutionBlockedByCSP(const String& directiveText)
 {
     if (scriptDebugServer().pauseOnExceptionsState() != ScriptDebugServer::DontPauseOnExceptions) {
         RefPtr<JSONObject> directive = JSONObject::create();
         directive->setString("directiveText", directiveText);
         breakProgram(InspectorFrontend::Debugger::Reason::CSPViolation, directive.release());
     }
 }
 
 PassRefPtr<Array<TypeBuilder::Debugger::CallFrame> > InspectorDebuggerAgent::currentCallFrames()
@@ skipping 200 matching lines @@
 void InspectorDebuggerAgent::reset()
 {
     m_scripts.clear();
     m_breakpointIdToDebugServerBreakpointIds.clear();
     if (m_frontend)
         m_frontend->globalObjectCleared();
 }
 
 } // namespace WebCore