Hide implementation details: SkFrontBufferedStream

tests/FrontBufferedStreamTest.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 "SkFrontBufferedStream.h"
 #include "SkRefCnt.h"
+#include "SkStream.h"
 #include "SkTypes.h"
 #include "Test.h"
 
 static void test_read(skiatest::Reporter* reporter, SkStream* bufferedStream,
                       const void* expectations, size_t bytesToRead) {
     // output for reading bufferedStream.
     SkAutoMalloc storage(bytesToRead);
 
     size_t bytesRead = bufferedStream->read(storage.get(), bytesToRead);
     REPORTER_ASSERT(reporter, bytesRead == bytesToRead || bufferedStream->isAtEnd());
@@ skipping 131 matching lines @@
 
 static void TestStreams(skiatest::Reporter* reporter) {
     // Test 6 and 64, which are used by Android, as well as another arbitrary length.
     test_buffers(reporter, 6);
     test_buffers(reporter, 15);
     test_buffers(reporter, 64);
 }
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS("FrontBufferedStream", FrontBufferedStreamTestClass, TestStreams)