Respect user_scrollable disabling in pinch-virtual-viewport mode.

cc/layers/layer_impl.h

 // Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_LAYERS_LAYER_IMPL_H_
 #define CC_LAYERS_LAYER_IMPL_H_
 
 #include <set>
 #include <string>
 
@@ skipping 389 matching lines @@
   // initial scroll
   gfx::Vector2dF ScrollBy(const gfx::Vector2dF& scroll);
 
   void SetScrollClipLayer(int scroll_clip_layer_id);
   LayerImpl* scroll_clip_layer() const { return scroll_clip_layer_; }
   bool scrollable() const { return !!scroll_clip_layer_; }
 
   void set_user_scrollable_horizontal(bool scrollable) {
     user_scrollable_horizontal_ = scrollable;
   }
+  bool user_scrollable_horizontal() const {
+    return user_scrollable_horizontal_;
+  }
   void set_user_scrollable_vertical(bool scrollable) {
     user_scrollable_vertical_ = scrollable;
   }
+  bool user_scrollable_vertical() const { return user_scrollable_vertical_; }
 
   void ApplySentScrollDeltasFromAbortedCommit();
   void ApplyScrollDeltasSinceBeginMainFrame();
 
   void SetShouldScrollOnMainThread(bool should_scroll_on_main_thread) {
     should_scroll_on_main_thread_ = should_scroll_on_main_thread;
   }
   bool should_scroll_on_main_thread() const {
     return should_scroll_on_main_thread_;
   }
@@ skipping 281 matching lines @@
   DrawProperties<LayerImpl> draw_properties_;
 
   scoped_refptr<base::debug::ConvertableToTraceFormat> debug_info_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_IMPL_H_