Refactoring display configuration state to allow generic state objects

chromeos/display/native_display_delegate.h

Index: chromeos/display/native_display_delegate.h
diff --git a/chromeos/display/native_display_delegate.h b/chromeos/display/native_display_delegate.h
deleted file mode 100644
index c59505633f910d0b5697fb39774e7af70f23ac87..0000000000000000000000000000000000000000
--- a/chromeos/display/native_display_delegate.h
+++ /dev/null
@@ -1,82 +0,0 @@
-// 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 CHROMEOS_DISPLAY_NATIVE_DISPLAY_DELEGATE_H_
-#define CHROMEOS_DISPLAY_NATIVE_DISPLAY_DELEGATE_H_
-
-#include "chromeos/display/output_configurator.h"
-#include "ui/display/display_constants.h"
-
-namespace chromeos {
-
-class NativeDisplayObserver;
-
-// Interface for classes that perform display configuration actions on behalf
-// of OutputConfigurator.
-// TODO(dnicoara) This interface will eventually be platform independent,
-// however it first requires refactoring the datatypes: crbug.com/333413
-class NativeDisplayDelegate {
- public:
-  virtual ~NativeDisplayDelegate() {}
-
-  // Initializes the XRandR extension, saving the base event ID to |event_base|.
-  virtual void Initialize() = 0;
-
-  // Grabs the X server and refreshes XRandR-related resources.  While
-  // the server is grabbed, other clients are blocked.  Must be balanced
-  // by a call to UngrabServer().
-  virtual void GrabServer() = 0;
-
-  // Ungrabs the server and frees XRandR-related resources.
-  virtual void UngrabServer() = 0;
-
-  // Flushes all pending requests and waits for replies.
-  virtual void SyncWithServer() = 0;
-
-  // Sets the window's background color to |color_argb|.
-  virtual void SetBackgroundColor(uint32 color_argb) = 0;
-
-  // Enables DPMS and forces it to the "on" state.
-  virtual void ForceDPMSOn() = 0;
-
-  // Returns information about the current outputs. This method may block for
-  // 60 milliseconds or more. The returned outputs are not fully initialized;
-  // the rest of the work happens in
-  // OutputConfigurator::UpdateCachedOutputs().
-  virtual std::vector<OutputConfigurator::OutputSnapshot> GetOutputs() = 0;
-
-  // Adds |mode| to |output|.
-  virtual void AddMode(const OutputConfigurator::OutputSnapshot& output,
-                       RRMode mode) = 0;
-
-  // Calls XRRSetCrtcConfig() with the given options but some of our default
-  // output count and rotation arguments. Returns true on success.
-  virtual bool Configure(const OutputConfigurator::OutputSnapshot& output,
-                         RRMode mode,
-                         int x,
-                         int y) = 0;
-
-  // Called to set the frame buffer (underlying XRR "screen") size.  Has
-  // a side-effect of disabling all CRTCs.
-  virtual void CreateFrameBuffer(
-      int width,
-      int height,
-      const std::vector<OutputConfigurator::OutputSnapshot>& outputs) = 0;
-
-  // Gets HDCP state of output.
-  virtual bool GetHDCPState(const OutputConfigurator::OutputSnapshot& output,
-                            ui::HDCPState* state) = 0;
-
-  // Sets HDCP state of output.
-  virtual bool SetHDCPState(const OutputConfigurator::OutputSnapshot& output,
-                            ui::HDCPState state) = 0;
-
-  virtual void AddObserver(NativeDisplayObserver* observer) = 0;
-
-  virtual void RemoveObserver(NativeDisplayObserver* observer) = 0;
-};
-
-}  // namespace chromeos
-
-#endif  // CHROMEOS_DISPLAY_NATIVE_DISPLAY_DELEGATE_H_