Added Client-Hints.

content/public/browser/render_widget_host_view.h

Index: content/public/browser/render_widget_host_view.h
diff --git a/content/public/browser/render_widget_host_view.h b/content/public/browser/render_widget_host_view.h
index 6d348f72e84fc364fc7fc7243084c4da233661a3..a2f185eedc0abe7f8ff5f7967de81bca5fd9f62e 100644
--- a/content/public/browser/render_widget_host_view.h
+++ b/content/public/browser/render_widget_host_view.h
@@ -8,9 +8,10 @@
 #include "base/basictypes.h"
 #include "base/string16.h"
 #include "content/common/content_export.h"
+#include "third_party/WebKit/Source/Platform/chromium/public/WebScreenInfo.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkRegion.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 #include "ui/gfx/native_widget_types.h"
 
 #if defined(TOOLKIT_GTK)
@@ -165,6 +166,10 @@ class CONTENT_EXPORT RenderWidgetHostView {
   virtual void UnlockMouse() = 0;
   // Returns true if the mouse pointer is currently locked.
   virtual bool IsMouseLocked() = 0;
+
+#if defined(OS_POSIX) || defined(USE_AURA)
+  virtual void GetScreenInfo(WebKit::WebScreenInfo* results) = 0;
+#endif
 };
 
 }  // namespace content