Make cc a component

cc/priority_calculator.h

 // Copyright 2010 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.
 
 #ifndef CCPriorityCalculator_h
 #define CCPriorityCalculator_h
 
+#include "cc/cc_export.h"
+
 namespace gfx {
 class Rect;
 }
 
 namespace cc {
 
-class PriorityCalculator {
+class CC_EXPORT PriorityCalculator {
 public:
     static int uiPriority(bool drawsToRootSurface);
     static int visiblePriority(bool drawsToRootSurface);
     static int renderSurfacePriority();
     static int lingeringPriority(int previousPriority);
     static int priorityFromDistance(const gfx::Rect& visibleRect, const gfx::Rect& textureRect, bool drawsToRootSurface);
     static int smallAnimatedLayerMinPriority();
 
     static int highestPriority();
     static int lowestPriority();
     static inline bool priorityIsLower(int a, int b) { return a > b; }
     static inline bool priorityIsHigher(int a, int b) { return a < b; }
     static inline int maxPriority(int a, int b) { return priorityIsHigher(a, b) ? a : b; }
 
     static int allowNothingCutoff();
     static int allowVisibleOnlyCutoff();
     static int allowVisibleAndNearbyCutoff();
     static int allowEverythingCutoff();
 };
 
 }
 
 #endif