Add GrResourceCache2.

src/gpu/GrClipMaskManager.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrClipMaskManager_DEFINED
 #define GrClipMaskManager_DEFINED
 
@@ skipping 35 matching lines @@
     /**
      * Creates a clip mask if necessary as a stencil buffer or alpha texture
      * and sets the GrGpu's scissor and stencil state. If the return is false
      * then the draw can be skipped. The AutoRestoreEffects is initialized by
      * the manager when it must install additional effects to implement the
      * clip. devBounds is optional but can help optimize clipping.
      */
     bool setupClipping(const GrClipData* clipDataIn, GrDrawState::AutoRestoreEffects*,
                        const SkRect* devBounds);
 
-    void releaseResources();
+    /**
+     * Purge resources to free up memory. TODO: This class shouldn't hold any long lived refs
+     * which will allow ResourceCache2 to automatically purge anything this class has created.
+     */
+    void purgeResources();
 
     bool isClipInStencil() const {
         return kStencil_ClipMaskType == fCurrClipMaskType;
     }
     bool isClipInAlpha() const {
         return kAlpha_ClipMaskType == fCurrClipMaskType;
     }
 
     void invalidateStencilMask() {
         if (kStencil_ClipMaskType == fCurrClipMaskType) {
@@ skipping 109 matching lines @@
      * clipping.
      */
     void adjustStencilParams(GrStencilSettings* settings,
                              StencilClipMode mode,
                              int stencilBitCnt);
 
     typedef SkNoncopyable INHERITED;
 };
 
 #endif // GrClipMaskManager_DEFINED