Add ability to change display settings to chrome.systemInfo.display

chrome/browser/extensions/api/system_info_display/system_info_display_api.h

Index: chrome/browser/extensions/api/system_info_display/system_info_display_api.h
diff --git a/chrome/browser/extensions/api/system_info_display/system_info_display_api.h b/chrome/browser/extensions/api/system_info_display/system_info_display_api.h
index 5f62062c71147c7a3cecfd6003d00e085772ac7e..0068efd8a8ef4ae06366eeab00e6b427ff9a46cc 100644
--- a/chrome/browser/extensions/api/system_info_display/system_info_display_api.h
+++ b/chrome/browser/extensions/api/system_info_display/system_info_display_api.h
@@ -23,6 +23,20 @@ class SystemInfoDisplayGetDisplayInfoFunction : public AsyncExtensionFunction {
   void OnGetDisplayInfoCompleted(const DisplayInfo& info, bool success);
 };
 
+class SystemInfoDisplaySetDisplayUnitInfoFunction
+    : public AsyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION("systemInfo.display.setDisplayUnitInfo",
+                             SYSTEMINFO_DISPLAY_SETDISPLAYUNITINFO);
+
+ protected:
+  virtual ~SystemInfoDisplaySetDisplayUnitInfoFunction() {}
+  virtual bool RunImpl() OVERRIDE;
+
+ private:
+  void OnSetDisplayUnitInfo(bool success, const std::string& error);
+};
+
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_SYSTEM_INFO_DISPLAY_SYSTEM_INFO_DISPLAY_API_H__