Consolidate SDK forwards in sdk_forward_declarations.h.

chrome/browser/ui/cocoa/apps/native_app_window_cocoa.mm

 // 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.
 
 #include "chrome/browser/ui/cocoa/apps/native_app_window_cocoa.h"
 
 #include "apps/app_shim/extension_app_shim_handler_mac.h"
 #include "base/command_line.h"
 #include "base/mac/foundation_util.h"
 #include "base/mac/mac_util.h"
+#include "base/mac/sdk_forward_declarations.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/cocoa/browser_window_utils.h"
 #import "chrome/browser/ui/cocoa/chrome_event_processing_window.h"
 #import "chrome/browser/ui/cocoa/custom_frame_view.h"
 #include "chrome/browser/ui/cocoa/extensions/extension_keybinding_registry_cocoa.h"
 #include "chrome/browser/ui/cocoa/extensions/extension_view_mac.h"
 #import "chrome/browser/ui/cocoa/nsview_additions.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/browser/native_web_keyboard_event.h"
@@ skipping 21 matching lines @@
 // windowWillUseStandardFrame, as the window would not restore back to the
 // desired size.
 
 using apps::AppWindow;
 
 @interface NSWindow (NSPrivateApis)
 - (void)setBottomCornerRounded:(BOOL)rounded;
 - (BOOL)_isTitleHidden;
 @end
 
-// Replicate specific 10.7 SDK declarations for building with prior SDKs.
-#if !defined(MAC_OS_X_VERSION_10_7) || \
-    MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7
-
-@interface NSWindow (LionSDKDeclarations)
-- (void)toggleFullScreen:(id)sender;
-@end
-
-enum {
-  NSWindowCollectionBehaviorFullScreenPrimary = 1 << 7,
-  NSFullScreenWindowMask = 1 << 14
-};
-
-#endif  // MAC_OS_X_VERSION_10_7
-
 namespace {
 
 void SetFullScreenCollectionBehavior(NSWindow* window, bool allow_fullscreen) {
   NSWindowCollectionBehavior behavior = [window collectionBehavior];
   if (allow_fullscreen)
     behavior |= NSWindowCollectionBehaviorFullScreenPrimary;
   else
     behavior &= ~NSWindowCollectionBehaviorFullScreenPrimary;
   [window setCollectionBehavior:behavior];
 }
@@ skipping 900 matching lines @@
 }
 
 void NativeAppWindowCocoa::UpdateRestoredBounds() {
   if (IsRestored(*this))
     restored_bounds_ = [window() frame];
 }
 
 void NativeAppWindowCocoa::HideWithoutMarkingHidden() {
   [window() orderOut:window_controller_];
 }