[UseZoomForDSF] Guest view support

content/browser/renderer_host/render_widget_host_impl.h

Index: content/browser/renderer_host/render_widget_host_impl.h
diff --git a/content/browser/renderer_host/render_widget_host_impl.h b/content/browser/renderer_host/render_widget_host_impl.h
index d5d9d5ad6549bd96d8e2973328122448d1850c87..c2dbb8d6e0956c87a378954acb86ad82a93bb5e0 100644
--- a/content/browser/renderer_host/render_widget_host_impl.h
+++ b/content/browser/renderer_host/render_widget_host_impl.h
@@ -506,6 +506,10 @@ class CONTENT_EXPORT RenderWidgetHostImpl : public RenderWidgetHost,
 
   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.
@@ -812,6 +816,10 @@ class CONTENT_EXPORT RenderWidgetHostImpl : public RenderWidgetHost,
   // 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_;