Use WebScreenInfo members to provide screen orientation information for layout test support.

content/renderer/render_view_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_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 342 matching lines @@
   unsigned GetLocalSessionHistoryLengthForTesting() const;
 
   // Invokes OnSetFocus and marks the widget as active depending on the value
   // of |enable|. This is used for layout tests that need to control the focus
   // synchronously from the renderer.
   void SetFocusAndActivateForTesting(bool enable);
 
   // Change the device scale factor and force the compositor to resize.
   void SetDeviceScaleFactorForTesting(float factor);
 
+  // Change screen orientation and force the compositor to resize.
+  void SetScreenOrientationForTesting(
+      const blink::WebScreenOrientationType& orientation);
+
   // Change the device ICC color profile while running a layout test.
   void SetDeviceColorProfileForTesting(const std::vector<char>& color_profile);
 
   // Used to force the size of a window when running layout tests.
   void ForceResizeForTesting(const gfx::Size& new_size);
 
   void UseSynchronousResizeModeForTesting(bool enable);
 
   // Control autoresize mode.
   void EnableAutoResizeForTesting(const gfx::Size& min_size,
@@ skipping 839 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_