Display third party cookies and site data counts in the WebsiteSettings UI.

chrome/browser/browsing_data_database_helper.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_BROWSING_DATA_DATABASE_HELPER_H_
 #define CHROME_BROWSER_BROWSING_DATA_DATABASE_HELPER_H_
 #pragma once
 
 #include <list>
+#include <set>
 #include <string>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "chrome/common/url_constants.h"
 #include "googleurl/src/gurl.h"
 #include "webkit/database/database_tracker.h"
 
 class Profile;
 
 // This class fetches database information in the FILE thread, and notifies
 // the UI thread upon completion.
 // A client of this class need to call StartFetching from the UI thread to
 // initiate the flow, and it'll be notified by the callback in its UI
 // thread at some later point.
 class BrowsingDataDatabaseHelper
     : public base::RefCountedThreadSafe<BrowsingDataDatabaseHelper> {
  public:
   // Contains detailed information about a web database.
   struct DatabaseInfo {
-    DatabaseInfo();
     DatabaseInfo(const std::string& host,
                  const std::string& database_name,
                  const std::string& origin_identifier,
                  const std::string& description,
                  const std::string& origin,
                  int64 size,
                  base::Time last_modified);
     ~DatabaseInfo();
 
     std::string host;
@@ skipping 48 matching lines @@
   scoped_refptr<webkit_database::DatabaseTracker> tracker_;
 
   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:
+  struct PendingDatabaseInfo {
+    PendingDatabaseInfo(const GURL& origin,
+                        const std::string& name,
+                        const std::string& description);
+    ~PendingDatabaseInfo();
+
+    // The operator is needed to store |PendingDatabaseInfo| objects in a set.
+    bool operator<(const PendingDatabaseInfo& other) const;
+
+    GURL origin;
+    std::string name;
+    std::string description;
+  };
+
   explicit CannedBrowsingDataDatabaseHelper(Profile* profile);
 
   // Return a copy of the database helper. Only one consumer can use the
   // StartFetching method at a time, so we need to create a copy of the helper
   // everytime we instantiate a cookies tree model for it.
   CannedBrowsingDataDatabaseHelper* Clone();
 
   // 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);
 
   // Clear the list of canned databases.
   void Reset();
 
   // True if no databases are currently stored.
   bool empty() const;
 
   // Returns the number of currently stored databases.
   size_t GetDatabaseCount() const;
 
+  // Returns the current list of web databases.
+  const std::set<PendingDatabaseInfo>& GetPendingDatabaseInfo();
+
   // BrowsingDataDatabaseHelper implementation.
   virtual void StartFetching(
       const base::Callback<void(const std::list<DatabaseInfo>&)>& callback)
           OVERRIDE;
 
  private:
-  struct PendingDatabaseInfo {
-    PendingDatabaseInfo();
-    PendingDatabaseInfo(const GURL& origin,
-                        const std::string& name,
-                        const std::string& description);
-    ~PendingDatabaseInfo();
-
-    GURL origin;
-    std::string name;
-    std::string description;
-  };
-
   virtual ~CannedBrowsingDataDatabaseHelper();
 
   // Converts the pending database info structs to database info structs.
   void ConvertInfoInWebKitThread();
 
   // Used to protect access to pending_database_info_.
   mutable base::Lock lock_;
 
-  // This may mutate on WEBKIT and UI threads.
-  std::list<PendingDatabaseInfo> pending_database_info_;
+  // This may mutate only on the UI thread, but it is also accessed on the
+  // WEBKIT thread.
+  std::set<PendingDatabaseInfo> pending_database_info_;
 
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataDatabaseHelper);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_DATABASE_HELPER_H_