Add overscanCalibration methods to system_display.idl

extensions/browser/api/system_display/display_info_provider.h

 // Copyright 2013 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 EXTENSIONS_BROWSER_API_SYSTEM_DISPLAY_DISPLAY_INFO_PROVIDER_H_
 #define EXTENSIONS_BROWSER_API_SYSTEM_DISPLAY_DISPLAY_INFO_PROVIDER_H_
 
 #include <stdint.h>
 
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 
 namespace display {
 class Display;
 }
 
 namespace extensions {
 
 namespace api {
 namespace system_display {
 struct DisplayProperties;
 struct DisplayUnitInfo;
+struct Insets;
 }
 }
 
 typedef std::vector<api::system_display::DisplayUnitInfo> DisplayUnitInfoList;
 
 class DisplayInfoProvider {
  public:
   virtual ~DisplayInfoProvider();
 
   // Returns a pointer to DisplayInfoProvider or NULL if Create()
@@ skipping 10 matching lines @@
   virtual bool SetInfo(const std::string& display_id,
                        const api::system_display::DisplayProperties& info,
                        std::string* error) = 0;
 
   // Enable the unified desktop feature.
   virtual void EnableUnifiedDesktop(bool enable);
 
   // Get display information.
   virtual DisplayUnitInfoList GetAllDisplaysInfo();
 
+  // Implement overscan calbiration methods. See system_display.idl. These
+  // return false if |id| is invalid.
+  virtual bool OverscanCalibrationStart(const std::string& id);
+  virtual bool OverscanCalibrationAdjust(
+      const std::string& id,
+      const api::system_display::Insets& delta);
+  virtual bool OverscanCalibrationReset(const std::string& id);
+  virtual bool OverscanCalibrationComplete(const std::string& id);
+
  protected:
   DisplayInfoProvider();
 
   // Create a DisplayUnitInfo from a display::Display for implementations of
   // GetAllDisplaysInfo()
   static api::system_display::DisplayUnitInfo CreateDisplayUnitInfo(
       const display::Display& display,
       int64_t primary_display_id);
 
  private:
   static DisplayInfoProvider* Create();
 
   // Update the content of the |unit| obtained for |display| using
   // platform specific method.
   virtual void UpdateDisplayUnitInfoForPlatform(
       const display::Display& display,
       api::system_display::DisplayUnitInfo* unit) = 0;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayInfoProvider);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_SYSTEM_DISPLAY_DISPLAY_INFO_PROVIDER_H_