Add support for multi-line GlobalError messages to Views.

chrome/browser/ui/global_error/global_error_service_unittest.cc

Index: chrome/browser/ui/global_error/global_error_service_unittest.cc
diff --git a/chrome/browser/ui/global_error/global_error_service_unittest.cc b/chrome/browser/ui/global_error/global_error_service_unittest.cc
index 3691039341fa530050177b65f138107e453d9a7f..fbf0a9c9431c5b8818e13715d4b12e916197d811 100644
--- a/chrome/browser/ui/global_error/global_error_service_unittest.cc
+++ b/chrome/browser/ui/global_error/global_error_service_unittest.cc
@@ -47,6 +47,10 @@ class BaseError : public GlobalError {
     ADD_FAILURE();
     return string16();
   }
+  virtual std::vector<string16> GetBubbleViewMessages() OVERRIDE {
+    ADD_FAILURE();
+    return string16();
+  }
   virtual string16 GetBubbleViewAcceptButtonLabel() OVERRIDE {
     ADD_FAILURE();
     return string16();