[Mac] Respect natural/inverted scroll direction on Lion when gesturing.

chrome/browser/ui/cocoa/browser_window_controller_private.mm

Index: chrome/browser/ui/cocoa/browser_window_controller_private.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_controller_private.mm b/chrome/browser/ui/cocoa/browser_window_controller_private.mm
index 577decf195e9043c96a7e83b2a9b81c09a2f3bb6..85b230f11466d1e2feedb36589786f8401fe0bf8 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller_private.mm
+++ b/chrome/browser/ui/cocoa/browser_window_controller_private.mm
@@ -5,7 +5,6 @@
 #import "chrome/browser/ui/cocoa/browser_window_controller_private.h"
 
 #include "base/command_line.h"
-#include "base/mac/mac_util.h"
 #import "base/memory/scoped_nsobject.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/prefs/pref_service.h"
@@ -544,28 +543,4 @@ willPositionSheet:(NSWindow*)sheet
   // TOOD(rsesek): Properly implement Lion fullscreen <http://crbug.com/74065>.
 }
 
-- (BOOL)recognizeTwoFingerGestures {
-  // Lion or higher will have support for two-finger swipe gestures.
-  if (!base::mac::IsOSLionOrLater())
-    return NO;
-
-  // A note about preferences:
-  // On Lion System Preferences, the swipe gesture behavior is controlled by the
-  // setting in Trackpad --> More Gestures --> Swipe between pages. This setting
-  // has three values:
-  //  A) Scroll left or right with two fingers. This should perform a cool
-  //     scrolling animation, but doesn't yet <http://crbug.com/90228>.
-  //  B) Swipe left or right with three fingers.
-  //  C) Swipe with two or three fingers.
-  //
-  // The three-finger gesture is controlled by the integer preference
-  // |com.apple.trackpad.threeFingerHorizSwipeGesture|. Its value is 0 for (A)
-  // and 1 for (B, C).
-  //
-  // The two-finger gesture is controlled by the preference below and is boolean
-  // YES for (A, C) and NO for (B).
-  NSUserDefaults* defaults = [NSUserDefaults standardUserDefaults];
-  return [defaults boolForKey:@"AppleEnableSwipeNavigateWithScrolls"];
-}
-
 @end  // @implementation BrowserWindowController(Private)