Add FakeDisplayDelegate for off device usage.

ui/display/chromeos/test/test_native_display_delegate.h

 // Copyright 2014 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 UI_DISPLAY_CHROMEOS_TEST_TEST_NATIVE_DISPLAY_DELEGATE_H_
 #define UI_DISPLAY_CHROMEOS_TEST_TEST_NATIVE_DISPLAY_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <vector>
@@ skipping 64 matching lines @@
       const DisplaySnapshot& output) override;
   bool SetColorCalibrationProfile(
       const DisplaySnapshot& output,
       ui::ColorCalibrationProfile new_profile) override;
   bool SetColorCorrection(const ui::DisplaySnapshot& output,
                           const std::vector<GammaRampRGBEntry>& degamma_lut,
                           const std::vector<GammaRampRGBEntry>& gamma_lut,
                           const std::vector<float>& correction_matrix) override;
   void AddObserver(NativeDisplayObserver* observer) override;
   void RemoveObserver(NativeDisplayObserver* observer) override;
+  display::FakeDisplayController* GetFakeDisplayController() override;
 
  private:
   bool Configure(const DisplaySnapshot& output,
                  const DisplayMode* mode,
                  const gfx::Point& origin);
 
   // Outputs to be returned by GetDisplays().
   std::vector<DisplaySnapshot*> outputs_;
 
   // |max_configurable_pixels_| represents the maximum number of pixels that
@@ skipping 15 matching lines @@
 
   ActionLogger* log_;  // Not owned.
 
   DISALLOW_COPY_AND_ASSIGN(TestNativeDisplayDelegate);
 };
 
 }  // namespace test
 }  // namespace ui
 
 #endif  // UI_DISPLAY_CHROMEOS_TEST_TEST_NATIVE_DISPLAY_DELEGATE_H_