Remove GraphicsContextCG.

We haven't supported Core Graphics in some time.
Only one of these functions is implemented at all, and it  is unused.

BUG=381789

Review URL: https://codereview.chromium.org/315403007

git-svn-id: svn://svn.chromium.org/blink/trunk@175724 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/core/rendering/RenderThemeChromiumMac.mm

@@ -49,7 +49,6 @@
 #import "platform/graphics/GraphicsContextStateSaver.h"
 #import "platform/graphics/Image.h"
 #import "platform/graphics/ImageBuffer.h"
-#import "platform/graphics/cg/GraphicsContextCG.h"
 #import "platform/mac/ColorMac.h"
 #import "platform/mac/LocalCurrentGraphicsContext.h"
 #import "platform/mac/ThemeMac.h"

third_party/WebKit/Source/platform/blink_platform.gypi

@@ -457,7 +457,6 @@
       'geometry/mac/IntPointMac.mm',
       'geometry/mac/IntRectMac.mm',
       'geometry/mac/IntSizeMac.mm',
-      'graphics/cg/GraphicsContextCG.h',
       'graphics/cpu/arm/WebGLImageConversionNEON.h',
       'graphics/cpu/arm/filters/FEBlendNEON.h',
       'graphics/cpu/arm/filters/FECompositeArithmeticNEON.h',

third_party/WebKit/Source/platform/graphics/GraphicsContext.cpp

@@ -52,10 +52,6 @@
 #include "wtf/Assertions.h"
 #include "wtf/MathExtras.h"
 
-#if OS(MACOSX)
-#include <ApplicationServices/ApplicationServices.h>
-#endif
-
 using namespace std;
 using blink::WebBlendMode;
 
@@ -1726,13 +1722,7 @@ PassRefPtr<SkColorFilter> GraphicsContext::WebCoreColorFilterToSkiaColorFilter(C
     return nullptr;
 }
 
-#if OS(MACOSX)
-CGColorSpaceRef PLATFORM_EXPORT deviceRGBColorSpaceRef()
-{
-    static CGColorSpaceRef deviceSpace = CGColorSpaceCreateDeviceRGB();
-    return deviceSpace;
-}
-#else
+#if !OS(MACOSX)
 void GraphicsContext::draw2xMarker(SkBitmap* bitmap, int index)
 {
     const SkPMColor lineColor = lineColors(index);

third_party/WebKit/Source/platform/graphics/cg/GraphicsContextCG.h

-/*
- * Copyright (C) 2006, 2007, 2010 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef GraphicsContextCG_h
-#define GraphicsContextCG_h
-
-#include "platform/graphics/GraphicsContext.h"
-
-typedef struct CGColorSpace *CGColorSpaceRef;
-
-namespace WebCore {
-
-CGColorSpaceRef PLATFORM_EXPORT deviceRGBColorSpaceRef();
-CGColorSpaceRef PLATFORM_EXPORT sRGBColorSpaceRef();
-CGColorSpaceRef PLATFORM_EXPORT linearRGBColorSpaceRef();
-
-}
-
-#endif

third_party/WebKit/Source/platform/image-decoders/ImageDecoder.h

@@ -43,7 +43,6 @@
 #include "qcms.h"
 #if OS(MACOSX)
 #include <ApplicationServices/ApplicationServices.h>
-#include "platform/graphics/cg/GraphicsContextCG.h"
 #include "wtf/RetainPtr.h"
 #endif
 #endif