[DevTools] migrate RenderingAgent and EmulationAgent to new style

third_party/WebKit/Source/web/InspectorEmulationAgent.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef InspectorEmulationAgent_h
 #define InspectorEmulationAgent_h
 
 #include "core/inspector/InspectorBaseAgent.h"
 #include "core/inspector/protocol/Emulation.h"
 
@@ skipping 12 matching lines @@
    public:
     virtual ~Client() {}
 
     virtual void setCPUThrottlingRate(double rate) {}
   };
 
   static InspectorEmulationAgent* create(WebLocalFrameImpl*, Client*);
   ~InspectorEmulationAgent() override;
 
   // protocol::Dispatcher::EmulationCommandHandler implementation.
-  void forceViewport(ErrorString*,
-                     double in_x,
-                     double in_y,
-                     double in_scale) override;
-  void resetViewport(ErrorString*) override;
-  void resetPageScaleFactor(ErrorString*) override;
-  void setPageScaleFactor(ErrorString*, double in_pageScaleFactor) override;
-  void setScriptExecutionDisabled(ErrorString*, bool in_value) override;
-  void setTouchEmulationEnabled(
-      ErrorString*,
-      bool in_enabled,
-      const protocol::Maybe<String>& in_configuration) override;
-  void setEmulatedMedia(ErrorString*, const String& in_media) override;
-  void setCPUThrottlingRate(ErrorString*, double in_rate) override;
-  void setVirtualTimePolicy(
-      ErrorString*,
-      const String& in_policy,
-      const protocol::Maybe<int>& in_virtualTimeBudgetMs) override;
+  Response forceViewport(double x, double y, double scale) override;
+  Response resetViewport() override;
+  Response resetPageScaleFactor() override;
+  Response setPageScaleFactor(double) override;
+  Response setScriptExecutionDisabled(bool value) override;
+  Response setTouchEmulationEnabled(bool enabled,
+                                    Maybe<String> configuration) override;
+  Response setEmulatedMedia(const String&) override;
+  Response setCPUThrottlingRate(double) override;
+  Response setVirtualTimePolicy(const String& policy,
+                                Maybe<int> virtualTimeBudgetMs) override;
 
   // InspectorBaseAgent overrides.
-  void disable(ErrorString*) override;
+  Response disable() override;
   void restore() override;
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   InspectorEmulationAgent(WebLocalFrameImpl*, Client*);
   WebViewImpl* webViewImpl();
   void virtualTimeBudgetExpired();
 
   Member<WebLocalFrameImpl> m_webLocalFrameImpl;
   Client* m_client;
   std::unique_ptr<CancellableTaskFactory> m_virtualTimeBudgetExpiredTask;
 };
 
 }  // namespace blink
 
 #endif  // !defined(InspectorEmulationAgent_h)