Use proper namespace in skia/ext

ui/base/cocoa/controls/blue_label_button.mm

 // Copyright 2013 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 "ui/base/cocoa/controls/blue_label_button.h"
 
 #include "base/mac/foundation_util.h"
 #include "skia/ext/skia_utils_mac.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/cocoa/scoped_cg_context_smooth_fonts.h"
@@ skipping 45 matching lines @@
   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
   NSFont* buttonFont = rb.GetFontList(ui::ResourceBundle::SmallFont).
       GetPrimaryFont().GetNativeFont();
   base::scoped_nsobject<NSMutableParagraphStyle> buttonTextParagraphStyle(
       [[NSMutableParagraphStyle alloc] init]);
   [buttonTextParagraphStyle setAlignment:NSCenterTextAlignment];
 
   base::scoped_nsobject<NSShadow> shadow([[NSShadow alloc] init]);
   [shadow setShadowOffset:NSMakeSize(0, -1)];
   [shadow setShadowBlurRadius:0];
-  [shadow setShadowColor:gfx::SkColorToSRGBNSColor(kTextShadowColor)];
+  [shadow setShadowColor:skia::SkColorToSRGBNSColor(kTextShadowColor)];
 
   NSDictionary* buttonTextAttributes = @{
     NSParagraphStyleAttributeName : buttonTextParagraphStyle,
     NSFontAttributeName : buttonFont,
     NSForegroundColorAttributeName : [NSColor whiteColor],
     NSShadowAttributeName : shadow.get()
   };
   base::scoped_nsobject<NSAttributedString> attributedButtonText(
       [[NSAttributedString alloc] initWithString:buttonText
                                       attributes:buttonTextAttributes]);
@@ skipping 28 matching lines @@
                     inView:(NSView*)controlView {
   NSColor* centerColor;
   NSColor* innerColor;
   NSColor* outerColor;
   HoverState hoverState =
       [base::mac::ObjCCastStrict<HoverButton>(controlView) hoverState];
   // Leave a sliver of height 1 for the button drop shadow.
   frame.size.height -= 1;
 
   if (hoverState == kHoverStateMouseDown && [self isHighlighted]) {
-    centerColor = gfx::SkColorToSRGBNSColor(kPressedColor);
-    innerColor = gfx::SkColorToSRGBNSColor(kPressInnerRingColor);
-    outerColor = gfx::SkColorToSRGBNSColor(kPressOuterRingColor);
+    centerColor = skia::SkColorToSRGBNSColor(kPressedColor);
+    innerColor = skia::SkColorToSRGBNSColor(kPressInnerRingColor);
+    outerColor = skia::SkColorToSRGBNSColor(kPressOuterRingColor);
   } else {
     centerColor = hoverState == kHoverStateMouseOver ?
-        gfx::SkColorToSRGBNSColor(kHoverColor) :
-        gfx::SkColorToSRGBNSColor(kDefaultColor);
+        skia::SkColorToSRGBNSColor(kHoverColor) :
+        skia::SkColorToSRGBNSColor(kDefaultColor);
     innerColor = [self showsFirstResponder] ?
-        gfx::SkColorToSRGBNSColor(kFocusInnerRingColor) :
-        gfx::SkColorToSRGBNSColor(kInnerRingColor);
-    outerColor = gfx::SkColorToSRGBNSColor(kOuterRingColor);
+        skia::SkColorToSRGBNSColor(kFocusInnerRingColor) :
+        skia::SkColorToSRGBNSColor(kInnerRingColor);
+    outerColor = skia::SkColorToSRGBNSColor(kOuterRingColor);
   }
   {
     gfx::ScopedNSGraphicsContextSaveGState context;
     base::scoped_nsobject<NSShadow> shadow([[NSShadow alloc] init]);
     [shadow setShadowOffset:NSMakeSize(0, -1)];
     [shadow setShadowBlurRadius:1.0];
-    [shadow setShadowColor:gfx::SkColorToSRGBNSColor(kShadowColor)];
+    [shadow setShadowColor:skia::SkColorToSRGBNSColor(kShadowColor)];
     [shadow set];
     [outerColor set];
 
     [[NSBezierPath bezierPathWithRoundedRect:frame
                                      xRadius:kCornerRadius
                                      yRadius:kCornerRadius] fill];
   }
 
   [innerColor set];
   [[NSBezierPath bezierPathWithRoundedRect:NSInsetRect(frame, 1, 1)
                                    xRadius:kCornerRadius
                                    yRadius:kCornerRadius] fill];
   [centerColor set];
   [[NSBezierPath bezierPathWithRoundedRect:NSInsetRect(frame, 2, 2)
                                    xRadius:kCornerRadius
                                    yRadius:kCornerRadius] fill];
 }
 
 @end