Add support for multi-line GlobalError messages to Views.

chrome/browser/extensions/extension_error_ui_default.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_EXTENSIONS_EXTENSION_ERROR_UI_DEFAULT_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_ERROR_UI_DEFAULT_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/extensions/extension_error_ui.h"
@@ skipping 19 matching lines @@
     explicit ExtensionGlobalError(ExtensionErrorUIDefault* error_ui);
 
    private:
     // GlobalError methods.
     virtual bool HasMenuItem() OVERRIDE;
     virtual int MenuItemCommandID() OVERRIDE;
     virtual string16 MenuItemLabel() OVERRIDE;
     virtual void ExecuteMenuItem(Browser* browser) OVERRIDE;
     virtual bool HasBubbleView() OVERRIDE;
     virtual string16 GetBubbleViewTitle() OVERRIDE;
-    virtual string16 GetBubbleViewMessage() OVERRIDE;
+    virtual std::vector<string16> GetBubbleViewMessages() OVERRIDE;
     virtual string16 GetBubbleViewAcceptButtonLabel() OVERRIDE;
     virtual string16 GetBubbleViewCancelButtonLabel() OVERRIDE;
     virtual void OnBubbleViewDidClose(Browser* browser) OVERRIDE;
     virtual void BubbleViewAcceptButtonPressed(Browser* browser) OVERRIDE;
     virtual void BubbleViewCancelButtonPressed(Browser* browser) OVERRIDE;
 
     // The ExtensionErrorUIDefault who owns us.
     ExtensionErrorUIDefault* error_ui_;
 
     DISALLOW_COPY_AND_ASSIGN(ExtensionGlobalError);
   };
 
   // The browser the bubble view was shown into.
   Browser* browser_;
 
   scoped_ptr<ExtensionGlobalError> global_error_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionErrorUIDefault);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_ERROR_UI_DEFAULT_H_