Remember zoom on a per-host basis....

chrome/browser/browser.h

-// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// 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_BROWSER_H_
 #define CHROME_BROWSER_BROWSER_H_
 
 #include <map>
 #include <set>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/gfx/rect.h"
 #include "base/scoped_ptr.h"
 #include "base/task.h"
 #include "chrome/browser/command_updater.h"
 #include "chrome/browser/sessions/session_id.h"
 #include "chrome/browser/shell_dialogs.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/tab_contents/page_navigator.h"
 #include "chrome/browser/tab_contents/tab_contents_delegate.h"
 #include "chrome/browser/toolbar_model.h"
 #include "chrome/common/notification_registrar.h"
+#include "chrome/common/page_zoom.h"
 #include "chrome/common/pref_member.h"
 #include "testing/gtest/include/gtest/gtest_prod.h"
 
 class BrowserWindow;
 class DebuggerWindow;
 class ExtensionShelfModel;
 class FindBarController;
 class GoButton;
 class LocationBar;
 class PrefService;
@@ skipping 348 matching lines @@
   void Copy();
   void Paste();
 #endif
 
   // Find-in-page
   void Find();
   void FindNext();
   void FindPrevious();
 
   // Zoom
-  void ZoomIn();
-  void ZoomReset();
-  void ZoomOut();
+  void Zoom(PageZoom::Function zoom_function);
 
   // Focus various bits of UI
   void FocusToolbar();
   void FocusLocationBar();
   void FocusSearch();
 
   // Show various bits of UI
   void OpenFile();
   void OpenCreateShortcutsDialog();
   void ToggleDevToolsWindow(bool open_console);
@@ skipping 415 matching lines @@
   // Dialog box used for opening and saving files.
   scoped_refptr<SelectFileDialog> select_file_dialog_;
 
   // Keep track of the encoding auto detect pref.
   BooleanPrefMember encoding_auto_detect_;
 
   DISALLOW_COPY_AND_ASSIGN(Browser);
 };
 
 #endif  // CHROME_BROWSER_BROWSER_H_