Second wave of Win64 warning cleanup

bench/FontCacheBench.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBenchmark.h"
 #include "SkCanvas.h"
 #include "SkFontHost.h"
 #include "SkPaint.h"
 #include "SkString.h"
 #include "SkTemplates.h"
 
 #include "gUniqueGlyphIDs.h"
 #define gUniqueGlyphIDs_Sentinel    0xFFFF
 
 static int count_glyphs(const uint16_t start[]) {
     const uint16_t* curr = start;
     while (*curr != gUniqueGlyphIDs_Sentinel) {
         curr += 1;
     }
-    return curr - start;
+    return static_cast<int>(curr - start);
 }
 
 class FontCacheBench : public SkBenchmark {
 public:
     FontCacheBench()  {}
 
 protected:
     virtual const char* onGetName() SK_OVERRIDE {
         return "fontcache";
     }
 
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         SkPaint paint;
         this->setupPaint(&paint);
         paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
 
         const uint16_t* array = gUniqueGlyphIDs;
         while (*array != gUniqueGlyphIDs_Sentinel) {
-            size_t count = count_glyphs(array);
+            int count = count_glyphs(array);
             for (int i = 0; i < this->getLoops(); ++i) {
                 paint.measureText(array, count * sizeof(uint16_t));
             }
             array += count + 1;    // skip the sentinel
         }
     }
 
 private:
     typedef SkBenchmark INHERITED;
 };
@@ skipping 96 matching lines @@
 private:
     typedef SkBenchmark INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 DEF_BENCH( return new FontCacheBench(); )
 
 // undefine this to run the efficiency test
 //DEF_BENCH( return new FontCacheEfficiency(); )