[DevTools] Explicitly enable/disable Page.viewportChanged protocol event.

Source/core/inspector/InspectorPageAgent.h

 /*
  * Copyright (C) 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 93 matching lines @@
     virtual void getCookies(ErrorString*, RefPtr<TypeBuilder::Array<TypeBuilder::Page::Cookie> >& cookies) OVERRIDE;
     virtual void deleteCookie(ErrorString*, const String& cookieName, const String& url) OVERRIDE;
     virtual void getResourceTree(ErrorString*, RefPtr<TypeBuilder::Page::FrameResourceTree>&) OVERRIDE;
     virtual void getResourceContent(ErrorString*, const String& frameId, const String& url, PassRefPtr<GetResourceContentCallback>) OVERRIDE;
     virtual void hasTouchInputs(ErrorString*, bool* result) OVERRIDE;
     virtual void searchInResource(ErrorString*, const String& frameId, const String& url, const String& query, const bool* optionalCaseSensitive, const bool* optionalIsRegex, RefPtr<TypeBuilder::Array<TypeBuilder::Page::SearchMatch> >&) OVERRIDE;
     virtual void setDocumentContent(ErrorString*, const String& frameId, const String& html) OVERRIDE;
     virtual void setDeviceMetricsOverride(ErrorString*, int width, int height, double deviceScaleFactor, bool emulateViewport, bool fitWindow, const double* optionalScale, const double* optionalOffsetX, const double* optionalOffsetY) OVERRIDE;
     virtual void clearDeviceMetricsOverride(ErrorString*) OVERRIDE;
     virtual void resetScrollAndPageScaleFactor(ErrorString*) OVERRIDE;
+    virtual void setViewportChangedEventEnabled(ErrorString*, bool enabled) OVERRIDE;
     virtual void setShowPaintRects(ErrorString*, bool show) OVERRIDE;
     virtual void setShowDebugBorders(ErrorString*, bool show) OVERRIDE;
     virtual void setShowFPSCounter(ErrorString*, bool show) OVERRIDE;
     virtual void setContinuousPaintingEnabled(ErrorString*, bool enabled) OVERRIDE;
     virtual void setShowScrollBottleneckRects(ErrorString*, bool show) OVERRIDE;
     virtual void getScriptExecutionStatus(ErrorString*, PageCommandHandler::Result::Enum*) OVERRIDE;
     virtual void setScriptExecutionDisabled(ErrorString*, bool) OVERRIDE;
     virtual void setTouchEmulationEnabled(ErrorString*, bool) OVERRIDE;
     virtual void setEmulatedMedia(ErrorString*, const String&) OVERRIDE;
     virtual void setShowViewportSizeOnResize(ErrorString*, bool show, const bool* showGrid) OVERRIDE;
@@ skipping 92 matching lines @@
 
     OwnPtr<InspectorResourceContentLoader> m_inspectorResourceContentLoader;
     HashMap<String, String> m_editedResourceContent;
 };
 
 
 } // namespace WebCore
 
 
 #endif // !defined(InspectorPagerAgent_h)