Remove CFX_BufferSeekableReadStream.

Replace it with CFX_ReadOnlyMemoryStream, which does the same thing.
Take some checks from CFX_BufferSeekableReadStream and add them
CFX_ReadOnlyMemoryStream.

Change-Id: I25554c3aec3ec96967f8df16ca68a64dba121b6f
Reviewed-on: https://pdfium-review.googlesource.com/40070
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

1 files changed, 5 insertions, 4 deletions

diff --git a/core/fpdfapi/parser/cpdf_read_validator_unittest.cpp b/core/fpdfapi/parser/cpdf_read_validator_unittest.cpp
index ccfb451dd8..640269884d 100644
--- a/core/fpdfapi/parser/cpdf_read_validator_unittest.cpp
+++ b/core/fpdfapi/parser/cpdf_read_validator_unittest.cpp
@@ -8,6 +8,7 @@
 #include <utility>
 #include <vector>
 
+#include "core/fxcrt/cfx_readonlymemorystream.h"
 #include "testing/fx_string_testhelpers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -65,7 +66,7 @@ class MockDownloadHints : public CPDF_DataAvail::DownloadHints {
 
 TEST(CPDF_ReadValidatorTest, UnavailableData) {
   std::vector<uint8_t> test_data(kTestDataSize);
-  auto file = pdfium::MakeRetain<CFX_BufferSeekableReadStream>(test_data);
+  auto file = pdfium::MakeRetain<CFX_ReadOnlyMemoryStream>(test_data);
   MockFileAvail file_avail;
   auto validator = pdfium::MakeRetain<CPDF_ReadValidator>(file, &file_avail);
 
@@ -88,7 +89,7 @@ TEST(CPDF_ReadValidatorTest, UnavailableData) {
 
 TEST(CPDF_ReadValidatorTest, UnavailableDataWithHints) {
   std::vector<uint8_t> test_data(kTestDataSize);
-  auto file = pdfium::MakeRetain<CFX_BufferSeekableReadStream>(test_data);
+  auto file = pdfium::MakeRetain<CFX_ReadOnlyMemoryStream>(test_data);
   MockFileAvail file_avail;
   auto validator = pdfium::MakeRetain<CPDF_ReadValidator>(file, &file_avail);
 
@@ -143,7 +144,7 @@ TEST(CPDF_ReadValidatorTest, ReadError) {
 
 TEST(CPDF_ReadValidatorTest, IntOverflow) {
   std::vector<uint8_t> test_data(kTestDataSize);
-  auto file = pdfium::MakeRetain<CFX_BufferSeekableReadStream>(test_data);
+  auto file = pdfium::MakeRetain<CFX_ReadOnlyMemoryStream>(test_data);
   MockFileAvail file_avail;
   auto validator = pdfium::MakeRetain<CPDF_ReadValidator>(file, &file_avail);
 
@@ -241,7 +242,7 @@ TEST(CPDF_ReadValidatorTest, SessionReset) {
 
 TEST(CPDF_ReadValidatorTest, CheckDataRangeAndRequestIfUnavailable) {
   std::vector<uint8_t> test_data(kTestDataSize);
-  auto file = pdfium::MakeRetain<CFX_BufferSeekableReadStream>(test_data);
+  auto file = pdfium::MakeRetain<CFX_ReadOnlyMemoryStream>(test_data);
   MockFileAvail file_avail;
   auto validator = pdfium::MakeRetain<CPDF_ReadValidator>(file, &file_avail);