Rename IFX_Stream to IFGAS_Stream.

core/fpdfapi/parser/cpdf_parser_unittest.cpp

 // Copyright 2015 PDFium 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 <limits>
 #include <string>
 
 #include "core/fpdfapi/parser/cpdf_parser.h"
 #include "core/fpdfapi/parser/cpdf_syntax_parser.h"
 #include "core/fxcrt/fx_ext.h"
 #include "core/fxcrt/fx_stream.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/utils/path_service.h"
 
 // Provide a way to read test data from a buffer instead of a file.
 class CFX_TestBufferRead : public IFX_SeekableReadStream {
  public:
   CFX_TestBufferRead(const unsigned char* buffer_in, size_t buf_size)
       : buffer_(buffer_in), total_size_(buf_size) {}
 
-  // IFX_Stream
+  // IFX_ReadStream:
   void Release() override { delete this; }
 
-  // IFX_SeekableReadStream
+  // IFX_SeekableReadStream:
   bool ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) override {
     if (offset < 0 || offset + size > total_size_)
       return false;
 
     memcpy(buffer, buffer_ + offset, size);
     return true;
   }
 
   FX_FILESIZE GetSize() override { return (FX_FILESIZE)total_size_; };
 
@@ skipping 159 matching lines @@
 
     ASSERT_TRUE(parser.LoadCrossRefV4(0, 0, false));
     const FX_FILESIZE offsets[] = {0, 23, 0, 0, 0, 45, 179};
     const uint8_t types[] = {0, 1, 0, 0, 0, 1, 1};
     for (size_t i = 0; i < FX_ArraySize(offsets); ++i) {
       EXPECT_EQ(offsets[i], parser.m_ObjectInfo[i].pos);
       EXPECT_EQ(types[i], parser.m_ObjectInfo[i].type);
     }
   }
 }