Remove the clip argument to WebContentLayerClient::paintContents.

third_party/WebKit/public/platform/WebContentLayerClient.h

Index: third_party/WebKit/public/platform/WebContentLayerClient.h
diff --git a/third_party/WebKit/public/platform/WebContentLayerClient.h b/third_party/WebKit/public/platform/WebContentLayerClient.h
index a2f43b053d33bafe4ada4aa797d66bc6325846cd..eb2ccdcf4089a71f8a6d128f40c0ed4d28b6cd4d 100644
--- a/third_party/WebKit/public/platform/WebContentLayerClient.h
+++ b/third_party/WebKit/public/platform/WebContentLayerClient.h
@@ -56,14 +56,10 @@ public:
     // Paints the content area for the layer, typically dirty rects submitted
     // through WebContentLayer::setNeedsDisplayInRect, submitting drawing commands
     // to populate the WebDisplayItemList.
-    // The |clip| rect defines the region of interest. The resulting WebDisplayItemList should contain
-    // sufficient content to correctly paint the rect, but may also contain other content. The result
-    // will be clipped on playback.
     // The |PaintingControlSetting| enum controls painting to isolate different components in performance tests.
     // Currently the DisplayListConstructionDisabled does nothing.
     virtual void paintContents(
         WebDisplayItemList*,
-        const WebRect& clip,
         PaintingControlSetting = PaintDefaultBehavior) = 0;
 
     // Returns an estimate of the current memory usage within this object,