chromeos: Stop returning scoped_ptr from GDataCache::GetCacheEntry

chrome/browser/chromeos/gdata/gdata_cache.h

Index: chrome/browser/chromeos/gdata/gdata_cache.h
diff --git a/chrome/browser/chromeos/gdata/gdata_cache.h b/chrome/browser/chromeos/gdata/gdata_cache.h
index 0f70d830f9431e1385f58d83ef4f9a87e12c0080..ee877201e2fc242d6caa1726c965f41256bddb4e 100644
--- a/chrome/browser/chromeos/gdata/gdata_cache.h
+++ b/chrome/browser/chromeos/gdata/gdata_cache.h
@@ -292,13 +292,14 @@ class GDataCache {
   // Utility method to call Initialize on UI thread.
   void RequestInitializeOnUIThread();
 
-  // Returns the cache entry for file corresponding to |resource_id| and |md5|
-  // if entry exists in cache map.  Otherwise, returns NULL.
+  // Gets the cache entry for file corresponding to |resource_id| and |md5|
+  // and returns true if entry exists in cache map.  Otherwise, returns false.
   // |md5| can be empty if only matching |resource_id| is desired, which may
   // happen when looking for pinned entries where symlinks' filenames have no
   // extension and hence no md5.
-  scoped_ptr<CacheEntry> GetCacheEntry(const std::string& resource_id,
-                                       const std::string& md5);
+  bool GetCacheEntry(const std::string& resource_id,
+                     const std::string& md5,
+                     CacheEntry* entry);
 
   // Factory methods for GDataCache.
   // |pool| and |sequence_token| are used to assert that the functions are