Devtools[LayoutEditor]: Rework layout-editor workflow

Source/web/InspectorOverlayImpl.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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 61 matching lines @@
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(InspectorOverlayImpl);
 public:
     static PassOwnPtrWillBeRawPtr<InspectorOverlayImpl> create(WebViewImpl* webViewImpl)
     {
         return adoptPtrWillBeNoop(new InspectorOverlayImpl(webViewImpl));
     }
 
     ~InspectorOverlayImpl() override;
     DECLARE_TRACE();
 
-    void init(InspectorCSSAgent*, InspectorDebuggerAgent*);
+    void init(InspectorCSSAgent*, InspectorDebuggerAgent*, InspectorDOMAgent*);
 
     void update();
     void clear();
     bool handleInputEvent(const WebInputEvent&);
     void layout();
     PageOverlay* pageOverlay() { return m_pageOverlay.get(); };
 
 private:
     explicit InspectorOverlayImpl(WebViewImpl*);
     class InspectorOverlayChromeClient;
     class InspectorPageOverlayDelegate;
 
     // InspectorOverlayHost::Listener implementation.
     void overlayResumed() override;
     void overlaySteppedOver() override;
     void overlayStartedPropertyChange(const String&) override;
     void overlayPropertyChanged(float) override;
     void overlayEndedPropertyChange() override;
+    void clearSelection(bool) override;
 
     // InspectorProfilerAgent::Client implementation.
     void profilingStarted() override;
     void profilingStopped() override;
 
     // InspectorPageAgent::Client implementation.
     void pageLayoutInvalidated(bool resized) override;
     void setShowViewportSizeOnResize(bool show, bool showGrid) override;
     void setPausedInDebuggerMessage(const String*) override;
 
     // InspectorDOMAgent::Client implementation.
     void setInspectModeEnabled(bool) override;
     void hideHighlight() override;
     void highlightNode(Node*, Node* eventTarget, const InspectorHighlightConfig&, bool omitTooltip) override;
     void highlightQuad(PassOwnPtr<FloatQuad>, const InspectorHighlightConfig&) override;
+    void showLayoutEditorForNode(Node*, const InspectorHighlightConfig&) override;
 
     bool isEmpty();
     void drawNodeHighlight();
     void drawQuadHighlight();
     void drawPausedInDebuggerMessage();
     void drawViewSize();
 
     Page* overlayPage();
     LocalFrame* overlayMainFrame();
     void reset(const IntSize& viewportSize, const IntPoint& documentScrollOffset);
@@ skipping 24 matching lines @@
     bool m_needsUpdate;
     RawPtrWillBeMember<InspectorDebuggerAgent> m_debuggerAgent;
     OwnPtrWillBeMember<LayoutEditor> m_layoutEditor;
     OwnPtr<PageOverlay> m_pageOverlay;
 };
 
 } // namespace blink
 
 
 #endif // InspectorOverlayImpl_h