Remove the clip parameter from ContentLayerClient.

cc/layers/picture_image_layer.cc

Index: cc/layers/picture_image_layer.cc
diff --git a/cc/layers/picture_image_layer.cc b/cc/layers/picture_image_layer.cc
index f6b360dd6bb867779dcb50b9dd062bf0abb03059..cde9ccdc78c0dfcee62e48c12437c24ac912e2ce 100644
--- a/cc/layers/picture_image_layer.cc
+++ b/cc/layers/picture_image_layer.cc
@@ -54,7 +54,6 @@ gfx::Rect PictureImageLayer::PaintableRegion() {
 }
 
 scoped_refptr<DisplayItemList> PictureImageLayer::PaintContentsToDisplayList(
-    const gfx::Rect& clip,
     ContentLayerClient::PaintingControlSetting painting_control) {
   DCHECK(image_);
   DCHECK_GT(image_->width(), 0);
@@ -65,10 +64,11 @@ scoped_refptr<DisplayItemList> PictureImageLayer::PaintContentsToDisplayList(
   DisplayItemListSettings settings;
   settings.use_cached_picture = true;
   scoped_refptr<DisplayItemList> display_list =
-      DisplayItemList::Create(clip, settings);
+      DisplayItemList::Create(PaintableRegion(), settings);
 
   SkPictureRecorder recorder;
-  SkCanvas* canvas = recorder.beginRecording(gfx::RectToSkRect(clip));
+  SkCanvas* canvas =
+      recorder.beginRecording(gfx::RectToSkRect(PaintableRegion()));
 
   SkScalar content_to_layer_scale_x =
       SkFloatToScalar(static_cast<float>(bounds().width()) / image_->width());
@@ -83,7 +83,8 @@ scoped_refptr<DisplayItemList> PictureImageLayer::PaintContentsToDisplayList(
 
   skia::RefPtr<SkPicture> picture =
       skia::AdoptRef(recorder.endRecordingAsPicture());
-  auto* item = display_list->CreateAndAppendItem<DrawingDisplayItem>(clip);
+  auto* item =
+      display_list->CreateAndAppendItem<DrawingDisplayItem>(PaintableRegion());
   item->SetNew(std::move(picture));
 
   display_list->Finalize();