Revert of Pinch/Zoom Infrastructure & Plumbing CL

content/test/web_layer_tree_view_impl_for_testing.cc

Index: content/test/web_layer_tree_view_impl_for_testing.cc
diff --git a/content/test/web_layer_tree_view_impl_for_testing.cc b/content/test/web_layer_tree_view_impl_for_testing.cc
index 3b0c967982b3252e3251ac6781db8a1629569bef..d29e68b802a5debab3797aba80121623736c23b3 100644
--- a/content/test/web_layer_tree_view_impl_for_testing.cc
+++ b/content/test/web_layer_tree_view_impl_for_testing.cc
@@ -164,25 +164,4 @@
       OffscreenContextProviderForMainThread();
 }
 
-void WebLayerTreeViewImplForTesting::registerViewportLayers(
-    const blink::WebLayer* pageScaleLayer,
-    const blink::WebLayer* innerViewportScrollLayer,
-    const blink::WebLayer* outerViewportScrollLayer) {
-  layer_tree_host_->RegisterViewportLayers(
-      static_cast<const WebLayerImpl*>(pageScaleLayer)->layer(),
-      static_cast<const WebLayerImpl*>(innerViewportScrollLayer)
-          ->layer(),
-      // The outer viewport layer will only exist when using pinch virtual
-      // viewports.
-      outerViewportScrollLayer ? static_cast<const WebLayerImpl*>(
-                                     outerViewportScrollLayer)->layer()
-                               : NULL);
-}
-
-void WebLayerTreeViewImplForTesting::clearViewportLayers() {
-  layer_tree_host_->RegisterViewportLayers(scoped_refptr<cc::Layer>(),
-                                           scoped_refptr<cc::Layer>(),
-                                           scoped_refptr<cc::Layer>());
-}
-
 }  // namespace webkit