Eliminate SkFILE - it always is the same as FILE.

tools/chrome_fuzz.cpp

 // Copyright 2013 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.
 
 #include "SkCanvas.h"
 #include "SkFlattenableSerialization.h"
 #include "SkImageFilter.h"
 #include "SkOSFile.h"
 #include "SkString.h"
 
 static const int kBitmapSize = 24;
 
 static bool read_test_case(const char* filename, SkString* testdata) {
-  SkFILE* file = sk_fopen(filename, kRead_SkFILE_Flag);
+  FILE* file = sk_fopen(filename, kRead_SkFILE_Flag);
   if (!file) {
     SkDebugf("couldn't open file %s\n", filename);
     return false;
   }
   size_t len = sk_fgetsize(file);
   if (!len) {
     SkDebugf("couldn't read file %s\n", filename);
     return false;
   }
   testdata->resize(len);
@@ skipping 48 matching lines @@
   canvas.clear(0x00000000);
   for (int i = 1; i < argc; i++)
     if (!read_and_run_test_case(argv[i], bitmap, &canvas))
       ret = 2;
   // Cluster-Fuzz likes "#EOF" as the last line of output to help distinguish
   // successful runs from crashes.
   SkDebugf("#EOF\n");
   return ret;
 }