drive: Change FileCache::GetCacheEntry's return type to FileError

chrome/browser/chromeos/drive/remove_stale_cache_files_unittest.cc

Index: chrome/browser/chromeos/drive/remove_stale_cache_files_unittest.cc
diff --git a/chrome/browser/chromeos/drive/remove_stale_cache_files_unittest.cc b/chrome/browser/chromeos/drive/remove_stale_cache_files_unittest.cc
index 417428f509d7413bd3104362fd8740d2dd7980c4..5a8be82096869fe91f9ce9ecac8d073c2393751f 100644
--- a/chrome/browser/chromeos/drive/remove_stale_cache_files_unittest.cc
+++ b/chrome/browser/chromeos/drive/remove_stale_cache_files_unittest.cc
@@ -69,7 +69,7 @@ TEST_F(RemoveStaleCacheFilesTest, RemoveStaleCacheFiles) {
 
   // Verify that the cache entry exists.
   FileCacheEntry cache_entry;
-  EXPECT_TRUE(cache_->GetCacheEntry(local_id, &cache_entry));
+  EXPECT_EQ(FILE_ERROR_OK, cache_->GetCacheEntry(local_id, &cache_entry));
 
   ResourceEntry entry;
   EXPECT_EQ(FILE_ERROR_NOT_FOUND,
@@ -79,7 +79,8 @@ TEST_F(RemoveStaleCacheFilesTest, RemoveStaleCacheFiles) {
   RemoveStaleCacheFiles(cache_.get(), resource_metadata_.get());
 
   // Verify that the cache entry is deleted.
-  EXPECT_FALSE(cache_->GetCacheEntry(local_id, &cache_entry));
+  EXPECT_EQ(FILE_ERROR_NOT_FOUND,
+            cache_->GetCacheEntry(local_id, &cache_entry));
 }
 
 TEST_F(RemoveStaleCacheFilesTest, DirtyCacheFiles) {
@@ -114,8 +115,9 @@ TEST_F(RemoveStaleCacheFilesTest, DirtyCacheFiles) {
   // Dirty cache should be removed if and only if the entry does not exist in
   // resource_metadata.
   FileCacheEntry cache_entry;
-  EXPECT_FALSE(cache_->GetCacheEntry(local_id_1, &cache_entry));
-  EXPECT_TRUE(cache_->GetCacheEntry(local_id_2, &cache_entry));
+  EXPECT_EQ(FILE_ERROR_NOT_FOUND,
+            cache_->GetCacheEntry(local_id_1, &cache_entry));
+  EXPECT_EQ(FILE_ERROR_OK, cache_->GetCacheEntry(local_id_2, &cache_entry));
 }
 
 }  // namespace internal