DevTools: simplify JSONValues API, prepare to the OwnPtr migration.

third_party/WebKit/Source/platform/v8_inspector/InjectedScriptHost.cpp

 /*
  * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
  * Copyright (C) 2010 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
@@ skipping 60 matching lines @@
     m_debugger = nullptr;
     m_debuggerAgent = nullptr;
     m_inspectCallback = nullptr;
     m_clearConsoleCallback = nullptr;
     m_inspectedObjects.clear();
 }
 
 void InjectedScriptHost::inspectImpl(PassRefPtr<JSONValue> object, PassRefPtr<JSONValue> hints)
 {
     if (m_inspectCallback) {
-        OwnPtr<protocol::Runtime::RemoteObject> remoteObject = protocol::Runtime::RemoteObject::runtimeCast(object->asObject());
-        (*m_inspectCallback)(remoteObject.release(), hints->asObject());
+        OwnPtr<protocol::Runtime::RemoteObject> remoteObject = protocol::Runtime::RemoteObject::runtimeCast(object);
+        (*m_inspectCallback)(remoteObject.release(), JSONObject::cast(hints));
     }
 }
 
 void InjectedScriptHost::clearConsoleMessages()
 {
     if (m_clearConsoleCallback)
         (*m_clearConsoleCallback)();
 }
 
 void InjectedScriptHost::addInspectedObject(PassOwnPtr<V8RuntimeAgent::Inspectable> object)
@@ skipping 40 matching lines @@
         m_debuggerAgent->setBreakpointAt(scriptId, lineNumber, columnNumber, V8DebuggerAgentImpl::MonitorCommandBreakpointSource, builder.toString());
 }
 
 void InjectedScriptHost::unmonitorFunction(const String& scriptId, int lineNumber, int columnNumber)
 {
     if (m_debuggerAgent)
         m_debuggerAgent->removeBreakpointAt(scriptId, lineNumber, columnNumber, V8DebuggerAgentImpl::MonitorCommandBreakpointSource);
 }
 
 } // namespace blink