Devtools: Margin resizer in overlay experiment

Source/core/inspector/InspectorCSSAgent.h

Index: Source/core/inspector/InspectorCSSAgent.h
diff --git a/Source/core/inspector/InspectorCSSAgent.h b/Source/core/inspector/InspectorCSSAgent.h
index 19cbd5bfe378c687ca16c7a4a3536fc47f45ddda..4a35902d4393354c99fdbda6603fd31bc85028a2 100644
--- a/Source/core/inspector/InspectorCSSAgent.h
+++ b/Source/core/inspector/InspectorCSSAgent.h
@@ -31,6 +31,7 @@
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/inspector/InspectorBaseAgent.h"
 #include "core/inspector/InspectorDOMAgent.h"
+#include "core/inspector/InspectorOverlay.h"
 #include "core/inspector/InspectorStyleSheet.h"
 #include "platform/JSONValues.h"
 #include "wtf/HashCountedSet.h"
@@ -59,7 +60,8 @@ class CORE_EXPORT InspectorCSSAgent final
     : public InspectorBaseAgent<InspectorCSSAgent, InspectorFrontend::CSS>
     , public InspectorDOMAgent::DOMListener
     , public InspectorBackendDispatcher::CSSCommandHandler
-    , public InspectorStyleSheetBase::Listener {
+    , public InspectorStyleSheetBase::Listener
+    , public InspectorOverlay::CSSListener {
     WTF_MAKE_NONCOPYABLE(InspectorCSSAgent);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(InspectorCSSAgent);
 public:
@@ -95,9 +97,9 @@ public:
     static CSSStyleRule* asCSSStyleRule(CSSRule*);
     static CSSMediaRule* asCSSMediaRule(CSSRule*);
 
-    static PassOwnPtrWillBeRawPtr<InspectorCSSAgent> create(InspectorDOMAgent* domAgent, InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent)
+    static PassOwnPtrWillBeRawPtr<InspectorCSSAgent> create(InspectorDOMAgent* domAgent, InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent, InspectorOverlay* overlay)
     {
-        return adoptPtrWillBeNoop(new InspectorCSSAgent(domAgent, pageAgent, resourceAgent));
+        return adoptPtrWillBeNoop(new InspectorCSSAgent(domAgent, pageAgent, resourceAgent, overlay));
     }
 
     static void collectAllDocumentStyleSheets(Document*, WillBeHeapVector<RawPtrWillBeMember<CSSStyleSheet> >&);
@@ -146,6 +148,8 @@ public:
     PassRefPtr<TypeBuilder::CSS::CSSMedia> buildMediaObject(const MediaList*, MediaListSource, const String&, CSSStyleSheet*);
     PassRefPtr<TypeBuilder::Array<TypeBuilder::CSS::CSSMedia> > buildMediaListChain(CSSRule*);
 
+    void updateCSSProperty(Node* node, long newValue) override;
+
 private:
     class StyleSheetAction;
     class SetStyleSheetTextAction;
@@ -157,7 +161,7 @@ private:
 
     static void collectStyleSheets(CSSStyleSheet*, WillBeHeapVector<RawPtrWillBeMember<CSSStyleSheet> >&);
 
-    InspectorCSSAgent(InspectorDOMAgent*, InspectorPageAgent*, InspectorResourceAgent*);
+    InspectorCSSAgent(InspectorDOMAgent*, InspectorPageAgent*, InspectorResourceAgent*, InspectorOverlay*);
 
     typedef WillBeHeapHashMap<String, RefPtrWillBeMember<InspectorStyleSheet> > IdToInspectorStyleSheet;
     typedef WillBeHeapHashMap<String, RefPtrWillBeMember<InspectorStyleSheetForInlineStyle> > IdToInspectorStyleSheetForInlineStyle;
@@ -222,6 +226,7 @@ private:
     bool m_styleDeclarationPendingMutation;
     bool m_creatingViaInspectorStyleSheet;
     bool m_isSettingStyleSheetText;
+    RawPtrWillBeMember<InspectorOverlay> m_overlay;
 
     friend class InspectorResourceContentLoaderCallback;
     friend class StyleSheetBinder;