cc : Snap texture layers to pixel boundary

cc/layers/texture_layer.cc

Index: cc/layers/texture_layer.cc
diff --git a/cc/layers/texture_layer.cc b/cc/layers/texture_layer.cc
index ed62bc4b0ce66deb6047163612b80c1599b77b98..802fb8d6164526a248b550ecd605c055015d8618 100644
--- a/cc/layers/texture_layer.cc
+++ b/cc/layers/texture_layer.cc
@@ -201,6 +201,10 @@ bool TextureLayer::Update() {
   return updated || !update_rect().IsEmpty();
 }
 
+bool TextureLayer::IsSnapped() {
+  return true;
+}
+
 void TextureLayer::PushPropertiesTo(LayerImpl* layer) {
   Layer::PushPropertiesTo(layer);
   TRACE_EVENT0("cc", "TextureLayer::PushPropertiesTo");