[DevTools] migrate DOMDebugger, Input, DeviceOrientation, Tracing to new style

third_party/WebKit/Source/core/inspector/InspectorInputAgent.h

Index: third_party/WebKit/Source/core/inspector/InspectorInputAgent.h
diff --git a/third_party/WebKit/Source/core/inspector/InspectorInputAgent.h b/third_party/WebKit/Source/core/inspector/InspectorInputAgent.h
index 5f29a8ca2d819bdd6c9106bcd90abcc9a36e5411..3917428b6fae37bcdab2a1253bf1de328f2c4535 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorInputAgent.h
+++ b/third_party/WebKit/Source/core/inspector/InspectorInputAgent.h
@@ -53,12 +53,11 @@ class CORE_EXPORT InspectorInputAgent final
   DECLARE_VIRTUAL_TRACE();
 
   // Methods called from the frontend for simulating input.
-  void dispatchTouchEvent(
-      ErrorString*,
+  Response dispatchTouchEvent(
       const String& type,
       std::unique_ptr<protocol::Array<protocol::Input::TouchPoint>> touchPoints,
-      const Maybe<int>& modifiers,
-      const Maybe<double>& timestamp) override;
+      Maybe<int> modifiers,
+      Maybe<double> timestamp) override;
 
  private:
   explicit InspectorInputAgent(InspectedFrames*);