Basic metro snap view omnibox.

base/win/metro.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 BASE_WIN_METRO_H_
 #define BASE_WIN_METRO_H_
 
 #include <windows.h>
 #include <wpcapi.h>
 
@@ skipping 23 matching lines @@
   CLOSEDBYUSER,
   LASTEXECUTIONSTATE,
 };
 
 // Contains information about the currently displayed tab in metro mode.
 struct CurrentTabInfo {
   wchar_t* title;
   wchar_t* url;
 };
 
-// The types of exports in metro_driver.dll.
-typedef HRESULT (*ActivateApplicationFn)(const wchar_t*);
-
 // The names of the exports in metro_driver.dll.
 BASE_EXPORT extern const char kActivateApplication[];
 
 // Returns the handle to the metro dll loaded in the process. A NULL return
 // indicates that the metro dll was not loaded in the process.
 BASE_EXPORT HMODULE GetMetroModule();
 
 // Returns true if this process is running as an immersive program
 // in Windows Metro mode.
 BASE_EXPORT bool IsMetroProcess();
 
 // Allocates and returns the destination string via the LocalAlloc API after
 // copying the src to it.
 BASE_EXPORT wchar_t* LocalAllocAndCopyString(const string16& src);
 
 // Returns true if the screen supports touch.
 BASE_EXPORT bool IsTouchEnabled();
 
 // Returns true if Windows Parental control activity logging is enabled. This
 // feature is available on Windows Vista and beyond.
 // This function should ideally be called on the UI thread.
 BASE_EXPORT bool IsParentalControlActivityLoggingOn();
 
+// Typedef for function to activate metro application.
+typedef HRESULT (*ActivateApplicationFn)(const wchar_t*);
+
+// Typedef for function to break out of metro snap mode.
+typedef void (*MetroUnsnapFn)();
+
 // Handler function for the buttons on a metro dialog box
 typedef void (*MetroDialogButtonPressedHandler)();
 
 // Function to display metro style notifications.
 typedef void (*MetroNotification)(const char* origin_url,
                                   const char* icon_url,
                                   const wchar_t* title,
                                   const wchar_t* body,
                                   const wchar_t* display_source,
                                   const char* notification_id);
-
-
 }  // namespace win
 }  // namespace base
 
 #endif  // BASE_WIN_METRO_H_