Rename WebCore namespace to blink in Platform

Source/platform/graphics/GraphicsContextState.cpp

 // Copyright (c) 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 "config.h"
 #include "platform/graphics/GraphicsContextState.h"
 
 #include "platform/graphics/skia/SkiaUtils.h"
 
-namespace WebCore {
+namespace blink {
 
 GraphicsContextState::GraphicsContextState()
     : m_fillColor(Color::black)
     , m_fillRule(RULE_NONZERO)
     , m_textDrawingMode(TextModeFill)
     , m_alpha(256)
     , m_xferMode(nullptr)
     , m_compositeOperator(CompositeSourceOver)
     , m_blendMode(blink::WebBlendModeNormal)
     , m_interpolationQuality(InterpolationDefault)
@@ skipping 225 matching lines @@
 }
 
 void GraphicsContextState::setShouldAntialias(bool shouldAntialias)
 {
     m_shouldAntialias = shouldAntialias;
     m_strokePaint.setAntiAlias(shouldAntialias);
     m_fillPaint.setAntiAlias(shouldAntialias);
 }
 
 
-} // namespace WebCore
+} // namespace blink