Disable blurring for extension bubbles

chrome/browser/ui/cocoa/info_bubble_window.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/info_bubble_window.h"
 
 #include "base/basictypes.h"
 #include "base/logging.h"
 #include "base/mac/foundation_util.h"
 #include "base/memory/scoped_nsobject.h"
@@ skipping 97 matching lines @@
   }
 }
 
 @end
 
 
 @implementation InfoBubbleWindow
 
 @synthesize delayOnClose = delayOnClose_;
 @synthesize canBecomeKeyWindow = canBecomeKeyWindow_;
+@synthesize hasBlurredBackground = hasBlurredBackground_;
 
 - (id)initWithContentRect:(NSRect)contentRect
                 styleMask:(NSUInteger)aStyle
                   backing:(NSBackingStoreType)bufferingType
                     defer:(BOOL)flag {
   if ((self = [super initWithContentRect:contentRect
                                styleMask:NSBorderlessWindowMask
                                  backing:bufferingType
                                    defer:flag])) {
     [self setBackgroundColor:[NSColor clearColor]];
     [self setExcludedFromWindowsMenu:YES];
     [self setOpaque:NO];
     [self setHasShadow:YES];
     delayOnClose_ = YES;
     canBecomeKeyWindow_ = YES;
+    hasBlurredBackground_ = YES;
     notificationBridge_.reset(new AppNotificationBridge(self));
 
     // Start invisible. Will be made visible when ordered front.
     [self setAlphaValue:0.0];
 
     // Set up alphaValue animation so that self is delegate for the animation.
     // Setting up the delegate is required so that the
     // animationDidStop:finished: callback can be handled.
     // Notice that only the alphaValue Animation is replaced in case
     // superclasses set up animations.
@@ skipping 73 matching lines @@
     // in the designated initializer.
     [super orderWindow:orderingMode relativeTo:otherWindowNumber];
 
     // Set up frame so it can be adjust down by a few pixels.
     NSRect frame = [self frame];
     NSPoint newOrigin = frame.origin;
     newOrigin.y += kOrderInSlideOffset;
     [self setFrameOrigin:newOrigin];
 
     // Add a gaussian blur to the window.
-    CGSConnection cgsConnection = _CGSDefaultConnection();
-    CGSWindowFilterRef filter;
-    if (CGSNewCIFilterByName(cgsConnection, CFSTR("CIGaussianBlur"),
-                             &filter) == kCGErrorSuccess) {
-      NSDictionary* blurOptions =
-          [NSDictionary dictionaryWithObject:[NSNumber numberWithFloat:1.5]
-                                      forKey:@"inputRadius"];
+    if (hasBlurredBackground_) {
+      CGSConnection cgsConnection = _CGSDefaultConnection();
+      CGSWindowFilterRef filter;
+      if (CGSNewCIFilterByName(cgsConnection, CFSTR("CIGaussianBlur"),
+                               &filter) == kCGErrorSuccess) {
+        NSDictionary* blurOptions =
+            [NSDictionary dictionaryWithObject:[NSNumber numberWithFloat:1.5]
+                                        forKey:@"inputRadius"];
 
-      if (CGSSetCIFilterValuesFromDictionary(cgsConnection, filter,
-              base::mac::NSToCFCast(blurOptions)) == kCGErrorSuccess) {
-        CGSAddWindowFilter(cgsConnection, [self windowNumber], filter, 1);
+        if (CGSSetCIFilterValuesFromDictionary(cgsConnection, filter,
+                base::mac::NSToCFCast(blurOptions)) == kCGErrorSuccess) {
+          CGSAddWindowFilter(cgsConnection, [self windowNumber], filter, 1);
+        }
+
+        CGSReleaseCIFilter(cgsConnection, filter);
       }
-
-      CGSReleaseCIFilter(cgsConnection, filter);
     }
 
     // Apply animations to show and move self.
     [NSAnimationContext beginGrouping];
     // The star currently triggers on mouse down, not mouse up.
     [[NSAnimationContext currentContext]
         gtm_setDuration:kOrderInAnimationDuration
               eventMask:NSLeftMouseUpMask|NSLeftMouseDownMask];
     [[self animator] setAlphaValue:1.0];
     [[self animator] setFrame:frame display:YES];
     [NSAnimationContext endGrouping];
   } else {
     [super orderWindow:orderingMode relativeTo:otherWindowNumber];
   }
 }
 
 // If the window is currently animating a close, block all UI events to the
 // window.
 - (void)sendEvent:(NSEvent*)theEvent {
   if (!closing_)
     [super sendEvent:theEvent];
 }
 
 - (BOOL)isClosing {
   return closing_;
 }
 
 @end