[UseZoomForDSF] Guest view support

content/browser/renderer_host/render_widget_host_impl.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 488 matching lines @@
   // Expose increment/decrement of the in-flight event count, so
   // RenderViewHostImpl can account for in-flight beforeunload/unload events.
   int increment_in_flight_event_count() { return ++in_flight_event_count_; }
   int decrement_in_flight_event_count() {
     DCHECK_GT(in_flight_event_count_, 0);
     return --in_flight_event_count_;
   }
 
   bool renderer_initialized() const { return renderer_initialized_; }
 
+  void set_scale_input_to_viewport(bool scale_input_to_viewport) {
+    scale_input_to_viewport_ = scale_input_to_viewport;
+  }
+
  protected:
   // Retrieves an id the renderer can use to refer to its view.
   // This is used for various IPC messages, including plugins.
   gfx::NativeViewId GetNativeViewId() const;
 
   // ---------------------------------------------------------------------------
   // The following method is overridden by RenderViewHost to send upwards to
   // its delegate.
 
   // Callback for notification that we failed to receive any rendered graphics
@@ skipping 286 matching lines @@
   // Indicates whether a RenderFramehost has ownership, in which case this
   // object does not self destroy.
   bool owned_by_render_frame_host_;
 
   // Indicates whether this RenderWidgetHost thinks is focused. This is trying
   // to match what the renderer process knows. It is different from
   // RenderWidgetHostView::HasFocus in that in that the focus request may fail,
   // causing HasFocus to return false when is_focused_ is true.
   bool is_focused_;
 
+  // When true, the host will scale the input to viewport.
+  // TODO(oshima): Remove this once crbug.com/563730 is addressed.
+  bool scale_input_to_viewport_;
+
   // This value indicates how long to wait before we consider a renderer hung.
   base::TimeDelta hung_renderer_delay_;
 
   // This value indicates how long to wait for a new compositor frame from a
   // renderer process before clearing any previously displayed content.
   base::TimeDelta new_content_rendering_delay_;
 
   // Timer used to batch together mouse wheel events for the delegate
   // OnUserInteraction method. A wheel event is only dispatched when a wheel
   // event has not been seen for kMouseWheelCoalesceInterval seconds prior.
   scoped_ptr<base::ElapsedTimer> mouse_wheel_coalesce_timer_;
 
   base::WeakPtrFactory<RenderWidgetHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_