Wrappers around BrowsingDataHelpers that returned canned responses.

BUG=45230
TEST=CannedBrowsingData*HelperTest.*

Review URL: http://codereview.chromium.org/2707001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@49388 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 30 insertions, 6 deletions

diff --git a/chrome/browser/browsing_data_database_helper.h b/chrome/browser/browsing_data_database_helper.h
index 9f48b49..a0b39c6 100644
--- a/chrome/browser/browsing_data_database_helper.h
+++ b/chrome/browser/browsing_data_database_helper.h
@@ -11,6 +11,7 @@
 #include "base/callback.h"
 #include "base/scoped_ptr.h"
 #include "chrome/common/url_constants.h"
+#include "googleurl/src/gurl.h"
 #include "webkit/database/database_tracker.h"
 
 class Profile;
@@ -74,12 +75,14 @@ class BrowsingDataDatabaseHelper
   virtual void DeleteDatabase(const std::string& origin,
                               const std::string& name);
 
- private:
+ protected:
   friend class base::RefCountedThreadSafe<BrowsingDataDatabaseHelper>;
-  friend class MockBrowsingDataDatabaseHelper;
-
   virtual ~BrowsingDataDatabaseHelper();
 
+  // This only mutates in the FILE thread.
+  std::vector<DatabaseInfo> database_info_;
+
+ private:
   // Enumerates all databases. This must be called in the FILE thread.
   void FetchDatabaseInfoInFileThread();
 
@@ -102,10 +105,31 @@ class BrowsingDataDatabaseHelper
   // This only mutates on the UI thread.
   bool is_fetching_;
 
-  // This only mutates in the FILE thread.
-  std::vector<DatabaseInfo> database_info_;
-
   DISALLOW_COPY_AND_ASSIGN(BrowsingDataDatabaseHelper);
 };
 
+// This class is a thin wrapper around BrowsingDataDatabaseHelper that does not
+// fetch its information from the database tracker, but gets them passed as
+// a parameter during construction.
+class CannedBrowsingDataDatabaseHelper : public BrowsingDataDatabaseHelper {
+ public:
+  explicit CannedBrowsingDataDatabaseHelper(Profile* profile);
+
+  // Add a database to the set of canned databases that is returned by this
+  // helper.
+  void AddDatabase(const GURL& origin,
+                   const std::string& name,
+                   const std::string& description);
+
+  // BrowsingDataDatabaseHelper methods.
+  virtual void StartFetching(
+      Callback1<const std::vector<DatabaseInfo>& >::Type* callback);
+  virtual void CancelNotification() {}
+
+ private:
+  virtual ~CannedBrowsingDataDatabaseHelper() {}
+
+  DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataDatabaseHelper);
+};
+
 #endif  // CHROME_BROWSER_BROWSING_DATA_DATABASE_HELPER_H_