chromeos: Stop returning scoped_ptr from GDataCache::GetCacheEntry

chrome/browser/chromeos/gdata/gdata_cache_unittest.cc

Index: chrome/browser/chromeos/gdata/gdata_cache_unittest.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_cache_unittest.cc b/chrome/browser/chromeos/gdata/gdata_cache_unittest.cc
index 1499d18aea5a0151ed7d85cf180498dc1345d2de..0fd04855b077a306178d176e868e23014b4b4e2f 100644
--- a/chrome/browser/chromeos/gdata/gdata_cache_unittest.cc
+++ b/chrome/browser/chromeos/gdata/gdata_cache_unittest.cc
@@ -331,12 +331,12 @@ class GDataCacheTest : public testing::Test {
       std::string md5;
       if (GDataCache::IsCachePresent(resource.cache_state))
          md5 = resource.md5;
-      scoped_ptr<GDataCache::CacheEntry> cache_entry =
-          GetCacheEntryFromOriginThread(resource.resource_id, md5);
-      ASSERT_TRUE(cache_entry.get());
-      EXPECT_EQ(resource.cache_state, cache_entry->cache_state);
+      GDataCache::CacheEntry cache_entry;
+      ASSERT_TRUE(GetCacheEntryFromOriginThread(
+          resource.resource_id, md5, &cache_entry));
+      EXPECT_EQ(resource.cache_state, cache_entry.cache_state);
       EXPECT_EQ(resource.expected_sub_dir_type,
-                cache_entry->GetSubDirectoryType());
+                cache_entry.GetSubDirectoryType());
     }
   }
 
@@ -418,10 +418,11 @@ class GDataCacheTest : public testing::Test {
     EXPECT_EQ(expected_error_, error);
 
     // Verify cache map.
-    scoped_ptr<GDataCache::CacheEntry> cache_entry =
-        GetCacheEntryFromOriginThread(resource_id, md5);
-    if (cache_entry.get())
-      EXPECT_TRUE(cache_entry->IsDirty());
+    GDataCache::CacheEntry cache_entry;
+    const bool cache_entry_found =
+        GetCacheEntryFromOriginThread(resource_id, md5, &cache_entry);
+    if (cache_entry_found)
+      EXPECT_TRUE(cache_entry.IsDirty());
 
     // If entry doesn't exist, verify that:
     // - no files with "<resource_id>.* exists in persistent and tmp dirs
@@ -443,7 +444,7 @@ class GDataCacheTest : public testing::Test {
         PathToVerify(cache_->GetCacheFilePath(resource_id, "",
                      GDataCache::CACHE_TYPE_OUTGOING,
                      GDataCache::CACHED_FILE_FROM_SERVER), FilePath()));
-    if (!cache_entry.get()) {
+    if (!cache_entry_found) {
       for (size_t i = 0; i < paths_to_verify.size(); ++i) {
         file_util::FileEnumerator enumerator(
             paths_to_verify[i].path_to_scan.DirName(), false /* not recursive*/,
@@ -474,7 +475,7 @@ class GDataCacheTest : public testing::Test {
                            GDataCache::CACHE_TYPE_OUTGOING,
                            GDataCache::CACHED_FILE_FROM_SERVER);
 
-      if (cache_entry->IsPinned()) {
+      if (cache_entry.IsPinned()) {
          // Change expected_existing_path of CACHE_TYPE_TMP but STATE_PINNED
          // (index 2).
          paths_to_verify[2].expected_existing_path =
@@ -686,15 +687,16 @@ class GDataCacheTest : public testing::Test {
     EXPECT_EQ(expected_error_, error);
 
     // Verify cache map.
-    scoped_ptr<GDataCache::CacheEntry> cache_entry =
-        GetCacheEntryFromOriginThread(resource_id, md5);
+    GDataCache::CacheEntry cache_entry;
+    const bool cache_entry_found =
+        GetCacheEntryFromOriginThread(resource_id, md5, &cache_entry);
     if (GDataCache::IsCachePresent(expected_cache_state_) ||
         GDataCache::IsCachePinned(expected_cache_state_)) {
-      ASSERT_TRUE(cache_entry.get());
-      EXPECT_EQ(expected_cache_state_, cache_entry->cache_state);
-      EXPECT_EQ(expected_sub_dir_type_, cache_entry->GetSubDirectoryType());
+      ASSERT_TRUE(cache_entry_found);
+      EXPECT_EQ(expected_cache_state_, cache_entry.cache_state);
+      EXPECT_EQ(expected_sub_dir_type_, cache_entry.GetSubDirectoryType());
     } else {
-      EXPECT_FALSE(cache_entry.get());
+      EXPECT_FALSE(cache_entry_found);
     }
 
     // Verify actual cache file.
@@ -764,10 +766,10 @@ class GDataCacheTest : public testing::Test {
   }
 
   // Helper function to call GetCacheEntry from origin thread.
-  scoped_ptr<GDataCache::CacheEntry> GetCacheEntryFromOriginThread(
-      const std::string& resource_id,
-      const std::string& md5) {
-    scoped_ptr<GDataCache::CacheEntry> cache_entry;
+  bool GetCacheEntryFromOriginThread(const std::string& resource_id,
+                                     const std::string& md5,
+                                     GDataCache::CacheEntry* cache_entry) {
+    bool result = false;
     content::BrowserThread::GetBlockingPool()
         ->GetSequencedTaskRunner(sequence_token_)->PostTask(
             FROM_HERE,
@@ -776,23 +778,26 @@ class GDataCacheTest : public testing::Test {
                 base::Unretained(this),
                 resource_id,
                 md5,
-                &cache_entry));
+                cache_entry,
+                &result));
     test_util::RunBlockingPoolTask();
-    return cache_entry.Pass();
+    return result;
   }
 
   // Used to implement GetCacheEntry.
   void GetCacheEntryFromOriginThreadInternal(
       const std::string& resource_id,
       const std::string& md5,
-      scoped_ptr<GDataCache::CacheEntry>* cache_entry) {
-    cache_entry->reset(cache_->GetCacheEntry(resource_id, md5).release());
+      GDataCache::CacheEntry* cache_entry,
+      bool* result) {
+    *result = cache_->GetCacheEntry(resource_id, md5, cache_entry);
   }
 
   // Returns true if the cache entry exists for the given resource ID and MD5.
   bool CacheEntryExists(const std::string& resource_id,
                         const std::string& md5) {
-    return GetCacheEntryFromOriginThread(resource_id, md5).get();
+    GDataCache::CacheEntry cache_entry;
+    return GetCacheEntryFromOriginThread(resource_id, md5, &cache_entry);
   }
 
   void TestGetCacheFilePath(const std::string& resource_id,