Make absolute and sort all Sky headers

sky/engine/platform/fonts/FontCacheTest.cpp

 // 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 "config.h"
-#include "platform/fonts/FontCache.h"
+#include "sky/engine/config.h"
+#include "sky/engine/platform/fonts/FontCache.h"
 
-#include "platform/fonts/FontDescription.h"
-#include "platform/fonts/SimpleFontData.h"
-#include "public/platform/Platform.h"
 #include <gtest/gtest.h>
+#include "sky/engine/platform/fonts/FontDescription.h"
+#include "sky/engine/platform/fonts/SimpleFontData.h"
+#include "sky/engine/public/platform/Platform.h"
 
 namespace blink {
 
 class EmptyPlatform : public Platform {
 public:
     EmptyPlatform() { }
     virtual ~EmptyPlatform() { }
 };
 
 TEST(FontCache, getLastResortFallbackFont)
@@ skipping 11 matching lines @@
     EXPECT_TRUE(fontData);
 
     fontDescription.setGenericFamily(FontDescription::SansSerifFamily);
     fontData = fontCache->getLastResortFallbackFont(fontDescription, Retain);
     EXPECT_TRUE(fontData);
 
     Platform::initialize(oldPlatform);
 }
 
 } // namespace blink