Fixed the copy link issue in the sad tab view

chrome/browser/ui/cocoa/tab_contents/sad_tab_view_cocoa.mm

Index: chrome/browser/ui/cocoa/tab_contents/sad_tab_view_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/tab_contents/sad_tab_view_cocoa.mm b/chrome/browser/ui/cocoa/tab_contents/sad_tab_view_cocoa.mm
index ff148e0050b911159d9449f3a9b7d2c45a2be82e..b5e2d2f29795e8e8dc256e55fe9886c938045918 100644
--- a/chrome/browser/ui/cocoa/tab_contents/sad_tab_view_cocoa.mm
+++ b/chrome/browser/ui/cocoa/tab_contents/sad_tab_view_cocoa.mm
@@ -17,6 +17,7 @@
 #include "ui/base/l10n/l10n_util_mac.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image.h"
+#include "url/gurl.h"
 
 // Maximum width used by page contents.
 static const CGFloat kMaxContainerWidth = 600;
@@ -181,7 +182,7 @@ static const CGFloat kMaxTopMargin = 130;
            withFont:helpFont
        messageColor:[message_ textColor]];
   [help_ addLinkRange:NSMakeRange(linkOffset, helpLink.length())
-             withName:@""
+             withName:[NSString stringWithUTF8String:chrome::kCrashReasonURL]
             linkColor:[message_ textColor]];
   [help_ setAlignment:NSLeftTextAlignment];
   [help_ sizeToFit];