Add support for multi-line GlobalError messages to Views.

chrome/browser/ui/global_error/global_error.h

Index: chrome/browser/ui/global_error/global_error.h
diff --git a/chrome/browser/ui/global_error/global_error.h b/chrome/browser/ui/global_error/global_error.h
index 10bd5c2da81976d1556f01ffa33cb132b81f4f1c..9fc1eeb5096047115f3b07401bae69b675a0406b 100644
--- a/chrome/browser/ui/global_error/global_error.h
+++ b/chrome/browser/ui/global_error/global_error.h
@@ -5,6 +5,8 @@
 #ifndef CHROME_BROWSER_UI_GLOBAL_ERROR_GLOBAL_ERROR_H_
 #define CHROME_BROWSER_UI_GLOBAL_ERROR_GLOBAL_ERROR_H_
 
+#include <vector>
+
 #include "base/basictypes.h"
 #include "base/memory/weak_ptr.h"
 #include "base/string16.h"
@@ -54,6 +56,10 @@ class GlobalError : public base::SupportsWeakPtr<GlobalError> {
   virtual string16 GetBubbleViewTitle() = 0;
   // Returns the message for the bubble view.
   virtual string16 GetBubbleViewMessage() = 0;

[sail, 2013/04/15 18:19:38]

Could you remove this.

[Yoyo Zhou, 2013/04/15 18:43:28]

Yes, although I would then have to rewrite Cocoa and GTK UI layouts. (It is
slightly cumbersome for me to test them at the moment, so they might not look
polished for multi-line messages. But that can be fixed later.)

[sail, 2013/04/15 19:04:41]

You can just grab the first message from the vector and add a TODO to process
the rest.

+  // Returns the messages for the bubble view. If present, takes precedence
+  // over GetBubbleViewMessage. Only supported on Views.
+  // TODO(yoz): Add support for GTK and Cocoa.
+  virtual std::vector<string16> GetBubbleViewMessages() = 0;
   // Returns the accept button label for the bubble view.
   virtual string16 GetBubbleViewAcceptButtonLabel() = 0;
   // Returns the cancel button label for the bubble view. To hide the cancel