mac: Remove IsOSLion().

chrome/browser/ui/cocoa/exclusive_access_bubble_view.mm

 // Copyright (c) 2011 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/exclusive_access_bubble_view.h"
 
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
 
 namespace {
 
 const CGFloat kShadowTop = 20;
 const CGFloat kShadowBottom = 50;
 const CGFloat kShadowLeft = 50;
 const CGFloat kShadowRight = 50;
-const CGFloat kShadowBlurRadius = 150;
-// NOTE(koz): The blur radius parameter to setShadowBlurRadius: has a bigger
-// effect on lion, so use a smaller value for it.
-const CGFloat kShadowBlurRadiusLion = 30;
+const CGFloat kShadowBlurRadius = 30;
 const CGFloat kShadowAlpha = 0.5;
 const CGFloat kBubbleCornerRadius = 8.0;
 }
 
 @implementation ExclusiveAccessBubbleView
 
 - (void)drawRect:(NSRect)rect {
   // Make room for the border to be seen.
   NSRect bounds = [self bounds];
   bounds.size.width -= kShadowLeft + kShadowRight;
   bounds.size.height -= kShadowTop + kShadowBottom;
   bounds.origin.x += kShadowLeft;
   bounds.origin.y += kShadowBottom;
   NSBezierPath* bezier = [NSBezierPath bezierPath];
 
   CGFloat radius = kBubbleCornerRadius;
   // Start with a rounded rectangle.
   [bezier appendBezierPathWithRoundedRect:bounds xRadius:radius yRadius:radius];
 
   [bezier closePath];
   [[NSColor whiteColor] set];
   gfx::ScopedNSGraphicsContextSaveGState scoped_g_state;
   base::scoped_nsobject<NSShadow> shadow([[NSShadow alloc] init]);
-  if (base::mac::IsOSLionOrLater()) {
-    [shadow setShadowBlurRadius:kShadowBlurRadiusLion];
-  } else {
-    [shadow setShadowBlurRadius:kShadowBlurRadius];
-  }
+  [shadow setShadowBlurRadius:kShadowBlurRadius];
   [shadow setShadowColor:[[NSColor blackColor]
                              colorWithAlphaComponent:kShadowAlpha]];
   [shadow set];
 
   [bezier fill];
 }
 
 @end