Add platform_canvas_unittest.cc

base/gfx/platform_canvas_unittest.cc

 // Copyright (c) 2006-2008 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.
 
 // TODO(awalker): clean up the const/non-const reference handling in this test
 
 #include "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
@@ skipping 60 matching lines @@
   inner_rc.bottom = y + h;
   FillRect(dc, &inner_rc, reinterpret_cast<HBRUSH>(GetStockObject(BLACK_BRUSH)));
 
   canvas.endPlatformPaint();
 }
 #elif defined(OS_MACOSX)
 void DrawNativeRect(PlatformCanvas& canvas, int x, int y, int w, int h) {
   CGContextRef context = canvas.beginPlatformPaint();
   
   CGRect inner_rc = CGRectMake(x, y, w, h);
-  CGFloat black[] = { 0.0, 0.0, 0.0, 1.0 };  // RGBA opaque black
-  CGContextSetFillColor(context, black);
+  // RGBA opaque black
+  CGColorRef black = CGColorCreateGenericRGB(0.0, 0.0, 0.0, 1.0);
+  CGContextSetFillColorWithColor(context, black);
+  CGColorRelease(black);
   CGContextFillRect(context, inner_rc);
   
   canvas.endPlatformPaint();
 }
 #else
 void DrawNativeRect(PlatformCanvas& canvas, int x, int y, int w, int h) {
   NOTIMPLEMENTED();
 }
 #endif
 
@@ skipping 192 matching lines @@
     AddClip(canvas, kInnerX, kInnerY, kInnerW, kInnerH);
     DrawNativeRect(canvas, 0, 0, 100, 100);
   }
   canvas.restore();
   EXPECT_TRUE(VerifyBlackSquare(canvas, kInnerX + 2, kInnerY + 2,
                                 kInnerW, kInnerH));
 }
 
 }  // namespace