cc: Rename cc classes and members to match filenames

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 "GraphicsContext3D.h"
 #include "IntRect.h"
 #include "IntSize.h"
 
 namespace cc {
 
-class CCPriorityCalculator {
+class PriorityCalculator {
 public:
     static int uiPriority(bool drawsToRootSurface);
     static int visiblePriority(bool drawsToRootSurface);
     static int renderSurfacePriority();
     static int lingeringPriority(int previousPriority);
     static int priorityFromDistance(const IntRect& visibleRect, const IntRect& textureRect, bool drawsToRootSurface);
     static int smallAnimatedLayerMinPriority();
 
     static inline int highestPriority() { return std::numeric_limits<int>::min(); }
     static inline int lowestPriority() { return std::numeric_limits<int>::max(); }
     static inline bool priorityIsLower(int a, int b) { return a > b; }
     static inline bool priorityIsHigher(int a, int b) { return a < b; }
     static inline bool maxPriority(int a, int b) { return priorityIsHigher(a, b) ? a : b; }
 };
 
 }
 
 #endif