Use proper namespace in skia/ext

chrome/browser/ui/cocoa/passwords/pending_password_view_controller.mm

 // Copyright 2014 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.
 
 #include <algorithm>
 
 #import "chrome/browser/ui/cocoa/passwords/pending_password_view_controller.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 85 matching lines @@
   NSFont* font = ResourceBundle::GetSharedInstance()
                      .GetFontList(ResourceBundle::SmallFont)
                      .GetPrimaryFont()
                      .GetNativeFont();
   [titleView setMessage:base::SysUTF16ToNSString(model_->title())
                withFont:font
            messageColor:textColor];
   NSRange titleBrandLinkRange = model_->title_brand_link_range().ToNSRange();
   if (titleBrandLinkRange.length) {
     NSColor* linkColor =
-        gfx::SkColorToCalibratedNSColor(chrome_style::GetLinkColor());
+        skia::SkColorToCalibratedNSColor(chrome_style::GetLinkColor());
     [titleView addLinkRange:titleBrandLinkRange
                     withURL:@"about:blank"  // using a link here is bad ui
                   linkColor:linkColor];
     [titleView.get() setDelegate:self];
 
     // Create the link with no underlining.
     [titleView setLinkTextAttributes:nil];
     NSTextStorage* text = [titleView textStorage];
     [text addAttribute:NSUnderlineStyleAttributeName
                  value:@(NSUnderlineStyleNone)
@@ skipping 21 matching lines @@
 
   base::scoped_nsobject<NSTextField> warm_welcome;
   if ([self shouldShowGoogleSmartLockWelcome]) {
     NSString* label_text =
         l10n_util::GetNSString(IDS_PASSWORD_MANAGER_SMART_LOCK_WELCOME);
     warm_welcome.reset([[self addLabel:label_text
                                 toView:view] retain]);
     [warm_welcome setFrameSize:NSMakeSize(kDesiredBubbleWidth - 2*kFramePadding,
                                           MAXFLOAT)];
     [GTMUILocalizerAndLayoutTweaker sizeToFitFixedWidthTextField:warm_welcome];
-    NSColor* color = gfx::SkColorToCalibratedNSColor(kWarmWelcomeColor);
+    NSColor* color = skia::SkColorToCalibratedNSColor(kWarmWelcomeColor);
     [warm_welcome setTextColor:color];
   }
 
   NSArray* buttons = [self createButtonsAndAddThemToView:view];
 
   // Compute the bubble width using the password item.
   const CGFloat contentWidth =
       kFramePadding + NSWidth([titleView frame]) + titleRightPadding;
   const CGFloat width = std::max(kDesiredBubbleWidth, contentWidth);
 
@@ skipping 45 matching lines @@
 
 @end
 
 @implementation PendingPasswordViewController (Testing)
 
 - (NSButton*)closeButton {
   return closeButton_.get();
 }
 
 @end