mac: Remove more 10.5-only code

chrome/browser/ui/cocoa/browser_window_controller.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 
 #include <cmath>
 #include <numeric>
 
 #include "base/command_line.h"
@@ skipping 226 matching lines @@
     ownsBrowser_ = ownIt;
     NSWindow* window = [self window];
     windowShim_.reset(new BrowserWindowCocoa(browser, self));
 
     // Create the bar visibility lock set; 10 is arbitrary, but should hopefully
     // be big enough to hold all locks that'll ever be needed.
     barVisibilityLocks_.reset([[NSMutableSet setWithCapacity:10] retain]);
 
     // Set the window to not have rounded corners, which prevents the resize
     // control from being inset slightly and looking ugly. Only bother to do
-    // this on Snow Leopard and earlier; on Lion and later all windows have
-    // rounded bottom corners, and this won't work anyway.
-    if (base::mac::IsOSSnowLeopardOrEarlier() &&
+    // this on Snow Leopard; on Lion and later all windows have rounded bottom
+    // corners, and this won't work anyway.
+    if (base::mac::IsOSSnowLeopard() &&
         [window respondsToSelector:@selector(setBottomCornerRounded:)])
       [window setBottomCornerRounded:NO];
 
     // Lion will attempt to automagically save and restore the UI. This
     // functionality appears to be leaky (or at least interacts badly with our
     // architecture) and thus BrowserWindowController never gets released. This
     // prevents the browser from being able to quit <http://crbug.com/79113>.
     if ([window respondsToSelector:@selector(setRestorable:)])
       [window setRestorable:NO];
 
@@ skipping 778 matching lines @@
           break;
         case IDC_FULLSCREEN: {
           enable &= [self supportsFullscreen];
           if ([static_cast<NSObject*>(item) isKindOfClass:[NSMenuItem class]]) {
             NSString* menuTitle = l10n_util::GetNSString(
                 [self isFullscreen] && ![self inPresentationMode] ?
                     IDS_EXIT_FULLSCREEN_MAC :
                     IDS_ENTER_FULLSCREEN_MAC);
             [static_cast<NSMenuItem*>(item) setTitle:menuTitle];
 
-            if (base::mac::IsOSSnowLeopardOrEarlier())
+            if (base::mac::IsOSSnowLeopard())
               [static_cast<NSMenuItem*>(item) setHidden:YES];
           }
           break;
         }
         case IDC_PRESENTATION_MODE: {
           enable &= [self supportsFullscreen];
           if ([static_cast<NSObject*>(item) isKindOfClass:[NSMenuItem class]]) {
             NSString* menuTitle = l10n_util::GetNSString(
                 [self inPresentationMode] ? IDS_EXIT_PRESENTATION_MAC :
                                             IDS_ENTER_PRESENTATION_MAC);
@@ skipping 915 matching lines @@
 
   if (![self supportsFullscreen])
     return;
 
   if (base::mac::IsOSLionOrLater()) {
     enteredPresentationModeFromFullscreen_ = YES;
     if ([[self window] isKindOfClass:[FramedBrowserWindow class]])
       [static_cast<FramedBrowserWindow*>([self window]) toggleSystemFullScreen];
   } else {
     if (fullscreen)
-      [self enterFullscreenForSnowLeopardOrEarlier];
+      [self enterFullscreenForSnowLeopard];
     else
-      [self exitFullscreenForSnowLeopardOrEarlier];
+      [self exitFullscreenForSnowLeopard];
   }
 }
 
 - (void)enterFullscreenForURL:(const GURL&)url
                    bubbleType:(FullscreenExitBubbleType)bubbleType {
   [self setFullscreen:YES url:url bubbleType:bubbleType];
 }
 
 - (void)exitFullscreen {
   // url: and bubbleType: are ignored when leaving fullscreen.
@@ skipping 18 matching lines @@
 // function also triggers the Lion machinery to enter fullscreen mode as well as
 // set presentation mode.  On Snow Leopard, this function is called by the
 // "Enter Presentation Mode" menu item, and triggering presentation mode always
 // moves the user into fullscreen mode.
 - (void)setPresentationMode:(BOOL)presentationMode
                         url:(const GURL&)url
                  bubbleType:(FullscreenExitBubbleType)bubbleType {
   fullscreenUrl_ = url;
   fullscreenBubbleType_ = bubbleType;
 
-  // Presentation mode on Leopard and Snow Leopard maps directly to fullscreen
-  // mode.
-  if (base::mac::IsOSSnowLeopardOrEarlier()) {
+  // Presentation mode on Snow Leopard maps directly to fullscreen mode.
+  if (base::mac::IsOSSnowLeopard()) {
     [self setFullscreen:presentationMode url:url bubbleType:bubbleType];
     return;
   }
 
   if (presentationMode) {
     BOOL fullscreen = [self isFullscreen];
     enteredPresentationModeFromFullscreen_ = fullscreen;
     enteringPresentationMode_ = YES;
 
     if (fullscreen) {
@@ skipping 164 matching lines @@
 
 - (BOOL)supportsBookmarkBar {
   return [self supportsWindowFeature:Browser::FEATURE_BOOKMARKBAR];
 }
 
 - (BOOL)isTabbedWindow {
   return browser_->is_type_tabbed();
 }
 
 @end  // @implementation BrowserWindowController(WindowType)