Devtools Animations: Basic animation inspection & control in Styles pane

Source/core/animation/StringKeyframe.h

 // Copyright 2014 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 StringKeyframe_h
 #define StringKeyframe_h
 
 #include "core/animation/Keyframe.h"
 #include "core/css/StylePropertySet.h"
 
 namespace blink {
 
 class StyleSheetContents;
 
 class StringKeyframe : public Keyframe {
+friend class InspectorCSSAgent;
+
 public:
     static PassRefPtrWillBeRawPtr<StringKeyframe> create()
     {
         return adoptRefWillBeNoop(new StringKeyframe);
     }
     void setPropertyValue(CSSPropertyID, const String& value, StyleSheetContents*);
     void clearPropertyValue(CSSPropertyID property) { m_propertySet->removeProperty(property); }
     CSSValue* propertyValue(CSSPropertyID property) const
     {
         int index = m_propertySet->findPropertyIndex(property);
@@ skipping 21 matching lines @@
     private:
         PropertySpecificKeyframe(double offset, PassRefPtr<TimingFunction> easing, CSSValue*);
 
         virtual PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> cloneWithOffset(double offset) const;
         virtual bool isStringPropertySpecificKeyframe() const OVERRIDE { return true; }
 
         RefPtrWillBeMember<CSSValue> m_value;
         mutable RefPtrWillBeMember<AnimatableValue> m_animatableValueCache;
     };
 
+protected:
+    MutableStylePropertySet* propertySet () const { return m_propertySet.get(); }
+
 private:
     StringKeyframe()
         : m_propertySet(MutableStylePropertySet::create())
     { }
 
     StringKeyframe(const StringKeyframe& copyFrom);
 
     virtual PassRefPtrWillBeRawPtr<Keyframe> clone() const OVERRIDE;
     virtual PassOwnPtrWillBeRawPtr<Keyframe::PropertySpecificKeyframe> createPropertySpecificKeyframe(CSSPropertyID) const OVERRIDE;
 
     virtual bool isStringKeyframe() const OVERRIDE { return true; }
 
     RefPtrWillBeMember<MutableStylePropertySet> m_propertySet;
 };
 
 typedef StringKeyframe::PropertySpecificKeyframe StringPropertySpecificKeyframe;
 
 DEFINE_TYPE_CASTS(StringKeyframe, Keyframe, value, value->isStringKeyframe(), value.isStringKeyframe());
 DEFINE_TYPE_CASTS(StringPropertySpecificKeyframe, Keyframe::PropertySpecificKeyframe, value, value->isStringPropertySpecificKeyframe(), value.isStringPropertySpecificKeyframe());
 
 }
 
 #endif