Delete preferred raster bounds code.

third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp

Index: third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
index de25773aeb57ec3998d1473cc65ccb7cd58d7999..7e642f9a342dc3e6c15a1fc1a8a5e0ecebcdb6f9 100644
--- a/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
+++ b/third_party/WebKit/Source/platform/graphics/GraphicsLayer.cpp
@@ -110,8 +110,7 @@ GraphicsLayer::GraphicsLayer(GraphicsLayerClient* client)
       m_contentsLayer(0),
       m_contentsLayerId(0),
       m_scrollableArea(nullptr),
-      m_renderingContext3d(0),
-      m_hasPreferredRasterBounds(false) {
+      m_renderingContext3d(0) {
 #if DCHECK_IS_ON()
   if (m_client)
     m_client->verifyNotPainting();
@@ -150,18 +149,6 @@ void GraphicsLayer::setHasWillChangeTransformHint(bool hasWillChangeTransform) {
   m_layer->layer()->setHasWillChangeTransformHint(hasWillChangeTransform);
 }
 
-void GraphicsLayer::setPreferredRasterBounds(const IntSize& bounds) {
-  m_preferredRasterBounds = bounds;
-  m_hasPreferredRasterBounds = true;
-  m_layer->layer()->setPreferredRasterBounds(bounds);
-}
-
-void GraphicsLayer::clearPreferredRasterBounds() {
-  m_preferredRasterBounds = IntSize();
-  m_hasPreferredRasterBounds = false;
-  m_layer->layer()->clearPreferredRasterBounds();
-}
-
 void GraphicsLayer::setParent(GraphicsLayer* layer) {
 #if DCHECK_IS_ON()
   DCHECK(!layer || !layer->hasAncestor(this));
@@ -679,11 +666,6 @@ std::unique_ptr<JSONObject> GraphicsLayer::layerAsJSONInternal(
                     m_backfaceVisibility ? "visible" : "hidden");
   }
 
-  if (m_hasPreferredRasterBounds) {
-    json->setArray("preferredRasterBounds",
-                   sizeAsJSONArray(m_preferredRasterBounds));
-  }
-
   if (flags & LayerTreeIncludesDebugInfo)
     json->setString("client", pointerAsString(m_client));