Use proper namespace in skia/ext

chrome/browser/ui/cocoa/spinner_view.mm

 // Copyright 2015 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/spinner_view.h"
 
 #import <QuartzCore/QuartzCore.h>
 
 #include "base/mac/mac_util.h"
 #include "base/mac/sdk_forward_declarations.h"
@@ skipping 103 matching lines @@
   } else {
     lineWidth = kArcStrokeWidth + (scaledDiameter - kArcDiameter) / 11.0;
   }
   [shapeLayer_ setLineWidth:lineWidth];
   [shapeLayer_ setLineCap:kCALineCapRound];
   [shapeLayer_ setLineDashPattern:@[ @(kArcLength * scaleFactor) ]];
   [shapeLayer_ setFillColor:NULL];
   ui::NativeTheme* nativeTheme = ui::NativeThemeMac::instance();
   SkColor throbberBlueColor = nativeTheme->GetSystemColor(
       ui::NativeTheme::kColorId_ThrobberSpinningColor);
-  CGColorRef blueColor = gfx::CGColorCreateFromSkColor(throbberBlueColor);
+  CGColorRef blueColor = skia::CGColorCreateFromSkColor(throbberBlueColor);
   [shapeLayer_ setStrokeColor:blueColor];
   CGColorRelease(blueColor);
 
   // Create the arc that, when stroked, creates the spinner.
   base::ScopedCFTypeRef<CGMutablePathRef> shapePath(CGPathCreateMutable());
   CGPathAddArc(shapePath, NULL, bounds.size.width / 2.0,
                bounds.size.height / 2.0, kArcRadius * scaleFactor,
                kArcStartAngle, kArcEndAngle, 0);
   [shapeLayer_ setPath:shapePath];
 
@@ skipping 161 matching lines @@
       [rotationLayer_ addAnimation:rotationAnimation_.get()
                             forKey:kRotationAnimationName];
     }
   } else {
     [shapeLayer_ removeAllAnimations];
     [rotationLayer_ removeAllAnimations];
   }
 }
 
 @end