Revert of Remove blink::WebLayerClient and WebGraphicsLayerDebugInfo.

third_party/WebKit/Source/platform/graphics/GraphicsLayerDebugInfo.h

 /*
  * Copyright (C) 2014 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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef GraphicsLayerDebugInfo_h
 #define GraphicsLayerDebugInfo_h
 
-#include "base/memory/ref_counted.h"
+#include "platform/JSONValues.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/graphics/CompositingReasons.h"
 #include "platform/graphics/PaintInvalidationReason.h"
+#include "public/platform/WebGraphicsLayerDebugInfo.h"
+
 #include "wtf/Vector.h"
 
-namespace base {
-namespace trace_event {
-class TracedValue;
-}
-}
-
 namespace blink {
 
-class GraphicsLayerDebugInfo {
+class GraphicsLayerDebugInfo final : public WebGraphicsLayerDebugInfo {
 public:
     GraphicsLayerDebugInfo();
-    ~GraphicsLayerDebugInfo();
+    ~GraphicsLayerDebugInfo() override;
 
-    scoped_refptr<base::trace_event::TracedValue> asTracedValue() const;
+    void appendAsTraceFormat(WebString* out) const override;
 
+    GraphicsLayerDebugInfo* clone() const;
+
+    void setDebugName(const String& name) { m_debugName = name; }
     CompositingReasons compositingReasons() const { return m_compositingReasons; }
     void setCompositingReasons(CompositingReasons reasons) { m_compositingReasons = reasons; }
     void setOwnerNodeId(int id) { m_ownerNodeId = id; }
 
     void appendAnnotatedInvalidateRect(const FloatRect&, PaintInvalidationReason);
     void clearAnnotatedInvalidateRects();
 
 private:
-    void appendAnnotatedInvalidateRects(base::trace_event::TracedValue*) const;
-    void appendCompositingReasons(base::trace_event::TracedValue*) const;
-    void appendOwnerNodeId(base::trace_event::TracedValue*) const;
+    void appendAnnotatedInvalidateRects(JSONObject*) const;
+    void appendCompositingReasons(JSONObject*) const;
+    void appendDebugName(JSONObject*) const;
+    void appendOwnerNodeId(JSONObject*) const;
 
     struct AnnotatedInvalidationRect {
         FloatRect rect;
         PaintInvalidationReason reason;
     };
 
+    String m_debugName;
     CompositingReasons m_compositingReasons;
     int m_ownerNodeId;
     Vector<AnnotatedInvalidationRect> m_invalidations;
     Vector<AnnotatedInvalidationRect> m_previousInvalidations;
 };
 
 } // namespace blink
 
 #endif