Change Widget subclasses to use a CullRect instead of an IntRect for painting.

third_party/WebKit/Source/web/PageWidgetDelegate.cpp

Index: third_party/WebKit/Source/web/PageWidgetDelegate.cpp
diff --git a/third_party/WebKit/Source/web/PageWidgetDelegate.cpp b/third_party/WebKit/Source/web/PageWidgetDelegate.cpp
index 5634cf369a1e1374d908aa13a8bc93fb90990782..099db3d1be9ff66e47d937fd980a7915f33edf39 100644
--- a/third_party/WebKit/Source/web/PageWidgetDelegate.cpp
+++ b/third_party/WebKit/Source/web/PageWidgetDelegate.cpp
@@ -42,6 +42,7 @@
 #include "platform/Logging.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/paint/ClipRecorder.h"
+#include "platform/graphics/paint/CullRect.h"
 #include "platform/graphics/paint/DrawingRecorder.h"
 #include "platform/graphics/paint/SkPictureBuilder.h"
 #include "platform/transforms/AffineTransform.h"
@@ -87,7 +88,7 @@ static void paintInternal(Page& page, WebCanvas* canvas,
         if (view) {
             ClipRecorder clipRecorder(paintContext, root, DisplayItem::PageWidgetDelegateClip, LayoutRect(dirtyRect));
 
-            view->paint(&paintContext, globalPaintFlags, dirtyRect);
+            view->paint(&paintContext, globalPaintFlags, CullRect(dirtyRect));
         } else if (!DrawingRecorder::useCachedDrawingIfPossible(paintContext, root, DisplayItem::PageWidgetDelegateBackgroundFallback)) {
             DrawingRecorder drawingRecorder(paintContext, root, DisplayItem::PageWidgetDelegateBackgroundFallback, dirtyRect);
             paintContext.fillRect(dirtyRect, Color::white);