Track and free generated images in the browser theme provider.

chrome/browser/browser_theme_provider.h

 // Copyright (c) 2009 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_THEME_PROVIDER_H_
-#define CHROME_BROWSER_THEME_PROVIDER_H_
+#ifndef CHROME_BROWSER_BROWSER_THEME_PROVIDER_H_
+#define CHROME_BROWSER_BROWSER_THEME_PROVIDER_H_
+
+#include <map>
+#include <string>
+#include <vector>
 
 #include "app/resource_bundle.h"
 #include "app/theme_provider.h"
 #include "base/non_thread_safe.h"
 #include "base/ref_counted.h"
 #include "skia/ext/skia_utils.h"
 
 class Extension;
 class Profile;
 class DictionaryValue;
 
-class BrowserThemeProvider :
-    public base::RefCounted<BrowserThemeProvider>,
-    public NonThreadSafe,
-    public ThemeProvider {
+class BrowserThemeProvider : public base::RefCounted<BrowserThemeProvider>,
+                             public NonThreadSafe,
+                             public ThemeProvider {
  public:
   BrowserThemeProvider();
   virtual ~BrowserThemeProvider();
 
   enum {
     COLOR_FRAME,
     COLOR_FRAME_INACTIVE,
     COLOR_FRAME_INCOGNITO,
     COLOR_FRAME_INCOGNITO_INACTIVE,
     COLOR_TOOLBAR,
@@ skipping 70 matching lines @@
   void SaveImageData(DictionaryValue* images);
   void SaveColorData();
   void SaveTintData();
 
   // Let all the browser views know that themes have changed.
   void NotifyThemeChanged();
 
   // Load theme data from preferences.
   void LoadThemePrefs();
 
+  // Frees generated images and clears the image cache.
+  void FreeImages();
+
   // Cached images. We cache all retrieved and generated bitmaps and keep
   // track of the pointers.
   typedef std::map<int, SkBitmap*> ImageCache;
   ImageCache image_cache_;
 
+  // List of generate images that aren't stored in ResourceBundles image cache
+  // and need to be freed.
+  std::vector<SkBitmap*> generated_images_;
+
   ResourceBundle& rb_;
   Profile* profile_;
 
   ImageMap images_;
   ColorMap colors_;
   TintMap tints_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserThemeProvider);
 };
 
-#endif  // CHROME_BROWSER_THEME_PROVIDER_H_
+#endif  // CHROME_BROWSER_BROWSER_THEME_PROVIDER_H_