Eliminate SkFILE - it always is the same as FILE.

tests/DataRefTest.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkData.h"
 #include "SkDataTable.h"
 #include "SkOSFile.h"
@@ skipping 173 matching lines @@
     const char s[] = "abcdefghijklmnopqrstuvwxyz";
     {
         SkFILEWStream writer(path.c_str());
         if (!writer.isValid()) {
             ERRORF(reporter, "Failed to create tmp file %s\n", path.c_str());
             return;
         }
         writer.write(s, 26);
     }
 
-    SkFILE* file = sk_fopen(path.c_str(), kRead_SkFILE_Flag);
+    FILE* file = sk_fopen(path.c_str(), kRead_SkFILE_Flag);
     SkAutoTUnref<SkData> r1(SkData::NewFromFILE(file));
     REPORTER_ASSERT(reporter, r1.get() != nullptr);
     REPORTER_ASSERT(reporter, r1->size() == 26);
     REPORTER_ASSERT(reporter, strncmp(static_cast<const char*>(r1->data()), s, 26) == 0);
 
     int fd = sk_fileno(file);
     SkAutoTUnref<SkData> r2(SkData::NewFromFD(fd));
     REPORTER_ASSERT(reporter, r2.get() != nullptr);
     REPORTER_ASSERT(reporter, r2->size() == 26);
     REPORTER_ASSERT(reporter, strncmp(static_cast<const char*>(r2->data()), s, 26) == 0);
@@ skipping 101 matching lines @@
     }
 
     for (int i = 0; i < N; ++i) {
         REPORTER_ASSERT(reporter, (i + 1) * 26U == readers[i]->size());
         check_alphabet_buffer(reporter, readers[i]);
         check_alphabet_stream(reporter, streams[i]);
         readers[i]->unref();
         delete streams[i];
     }
 }