Fix memory leaks in RenderTextMac.

skia/ext/skia_utils_mac.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.
 
 #include "skia/ext/skia_utils_mac.h"
 
 #import <AppKit/AppKit.h>
 
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
@@ skipping 135 matching lines @@
 SkColor CGColorRefToSkColor(CGColorRef color) {
   DCHECK(CGColorGetNumberOfComponents(color) == 4);
   const CGFloat* components = CGColorGetComponents(color);
   return SkColorSetARGB(SkScalarRound(255.0 * components[3]), // alpha
                         SkScalarRound(255.0 * components[0]), // red
                         SkScalarRound(255.0 * components[1]), // green
                         SkScalarRound(255.0 * components[2])); // blue
 }
 
 // Converts ARGB to CGColorRef.
-CGColorRef SkColorToCGColorRef(SkColor color) {
+CGColorRef CGColorCreateFromSkColor(SkColor color) {
   return CGColorCreateGenericRGB(SkColorGetR(color) / 255.0,
                                  SkColorGetG(color) / 255.0,
                                  SkColorGetB(color) / 255.0,
                                  SkColorGetA(color) / 255.0);
 }
 
 // Converts NSColor to ARGB
 SkColor NSDeviceColorToSkColor(NSColor* color) {
   DCHECK([color colorSpace] == [NSColorSpace genericRGBColorSpace] ||
          [color colorSpace] == [NSColorSpace deviceRGBColorSpace]);
@@ skipping 254 matching lines @@
   // Apply content matrix.
   SkMatrix skMatrix = canvas_->getTotalMatrix();
   skMatrix.postTranslate(-SkIntToScalar(pt.fX), -SkIntToScalar(pt.fY));
   CGAffineTransform affine = SkMatrixToCGAffineTransform(skMatrix);
   CGContextConcatCTM(cgContext_, affine);
   
   return cgContext_;
 }
 
 }  // namespace gfx