increase pre-allocated MCRecs to match common android calling pattern

include/core/SkCanvas.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkCanvas_DEFINED
 #define SkCanvas_DEFINED
 
@@ skipping 1322 matching lines @@
 
     class MCRec;
 
     SkAutoTUnref<SkClipStack> fClipStack;
     SkDeque     fMCStack;
     // points to top of stack
     MCRec*      fMCRec;
     // the first N recs that can fit here mean we won't call malloc
     enum {
         kMCRecSize      = 128,  // most recent measurement
-        kMCRecCount     = 8,    // common depth for save/restores
+        kMCRecCount     = 32,   // common depth for save/restores
         kDeviceCMSize   = 136,  // most recent measurement
     };
     intptr_t fMCRecStorage[kMCRecSize * kMCRecCount / sizeof(intptr_t)];
     intptr_t fDeviceCMStorage[kDeviceCMSize / sizeof(intptr_t)];
 
     const SkSurfaceProps fProps;
 
     int         fSaveCount;         // value returned by getSaveCount()
 
     SkMetaData* fMetaData;
@@ skipping 207 matching lines @@
 
 class SkCanvasClipVisitor {
 public:
     virtual ~SkCanvasClipVisitor();
     virtual void clipRect(const SkRect&, SkRegion::Op, bool antialias) = 0;
     virtual void clipRRect(const SkRRect&, SkRegion::Op, bool antialias) = 0;
     virtual void clipPath(const SkPath&, SkRegion::Op, bool antialias) = 0;
 };
 
 #endif