Revert "Check blockfile size before attempting to read the header."

The unittest isn't liked by windows.

This reverts commit c0be0e8cda2bfe9c1eccb662ccdad9a2b7768132.

TBR=rvargas

Review URL: http://codereview.chromium.org/165157

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@22786 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 0 insertions, 26 deletions

diff --git a/net/disk_cache/block_files.cc b/net/disk_cache/block_files.cc
index 0e9eb04..cd7e5cf 100644
--- a/net/disk_cache/block_files.cc
+++ b/net/disk_cache/block_files.cc
@@ -247,12 +247,6 @@ bool BlockFiles::OpenBlockFile(int index) {
     return false;
   }
 
-  if (file->GetLength() < static_cast<size_t>(kBlockHeaderSize)) {
-    LOG(ERROR) << "File too small " << name;
-    file->Release();
-    return false;
-  }
-
   block_files_[index] = file;
 
   BlockFileHeader* header = reinterpret_cast<BlockFileHeader*>(file->buffer());
diff --git a/net/disk_cache/block_files_unittest.cc b/net/disk_cache/block_files_unittest.cc
index e3ca651..b4ce107 100644
--- a/net/disk_cache/block_files_unittest.cc
+++ b/net/disk_cache/block_files_unittest.cc
@@ -153,23 +153,3 @@ TEST_F(DiskCacheTest, BlockFiles_Recover) {
   EXPECT_EQ(empty_3, header->empty[2]);
   EXPECT_EQ(empty_4, header->empty[3]);
 }
-
-// Handling of truncated files.
-TEST_F(DiskCacheTest, BlockFiles_ZeroSizeFile) {
-  std::wstring path = GetCachePath();
-  ASSERT_TRUE(DeleteCache(path.c_str()));
-  ASSERT_TRUE(file_util::CreateDirectory(path));
-
-  disk_cache::BlockFiles files(path);
-  ASSERT_TRUE(files.Init(true));
-
-  // Truncate one of the files.
-  disk_cache::Addr address;
-  EXPECT_TRUE(files.CreateBlock(disk_cache::RANKINGS, 4, &address));
-  disk_cache::MappedFile* file = files.GetFile(address);
-  file->SetLength(0);
-  files.CloseFiles();
-
-  // Initializing should fail, not crash.
-  ASSERT_FALSE(files.Init(false));
-}