Add TimedCanvasDrawListener

third_party/WebKit/Source/core/html/canvas/CanvasDrawListener.h

Index: third_party/WebKit/Source/core/html/canvas/CanvasDrawListener.h
diff --git a/third_party/WebKit/Source/core/html/canvas/CanvasDrawListener.h b/third_party/WebKit/Source/core/html/canvas/CanvasDrawListener.h
index b1fc834dc496811d193393a7c1e1d6abdbaf61eb..d1e25ae4587fd4706b704730727003014128c63e 100644
--- a/third_party/WebKit/Source/core/html/canvas/CanvasDrawListener.h
+++ b/third_party/WebKit/Source/core/html/canvas/CanvasDrawListener.h
@@ -7,6 +7,7 @@
 
 #include "core/CoreExport.h"
 #include "platform/heap/Handle.h"
+#include "public/platform/WebCanvasCaptureHandler.h"
 #include "third_party/skia/include/core/SkImage.h"
 #include "wtf/PassRefPtr.h"
 
@@ -15,8 +16,13 @@ namespace blink {
 class CORE_EXPORT CanvasDrawListener : public GarbageCollectedMixin {
 public:
     virtual ~CanvasDrawListener() {}
-    virtual bool needsNewFrame() const = 0;
-    virtual void sendNewFrame(const WTF::PassRefPtr<SkImage>&) = 0;
+    virtual bool needsNewFrame() const;
+    virtual void sendNewFrame(const WTF::PassRefPtr<SkImage>&);
+
+protected:
+    CanvasDrawListener(const PassOwnPtr<WebCanvasCaptureHandler>&);

[esprehn, 2015/12/11 10:38:23]

explicit, single argument constructors always need that, even if they're not
public. Otherwise you might create one by mistake somewhere inside your class...

[emircan, 2015/12/11 19:25:15]

Done.

+
+    OwnPtr<WebCanvasCaptureHandler> m_handler;
 };
 
 } // namespace blink