Allow return key to add new line in description text field....

chrome/browser/cocoa/bug_report_window_controller.mm

Index: chrome/browser/cocoa/bug_report_window_controller.mm
===================================================================
--- chrome/browser/cocoa/bug_report_window_controller.mm	(revision 31238)
+++ chrome/browser/cocoa/bug_report_window_controller.mm	(working copy)
@@ -129,7 +129,7 @@
       l10n_util::GetNSStringWithFixup(IDS_BUGREPORT_PHISHING_PAGE)];
 }
 
-- (void)menu:(NSMenu *)menu willHighlightItem:(NSMenuItem *)item {
+- (void)menu:(NSMenu*)menu willHighlightItem:(NSMenuItem *)item {
   NSString* buttonTitle = [[item title] isEqualToString:
       l10n_util::GetNSStringWithFixup(IDS_BUGREPORT_PHISHING_PAGE)] ?
       l10n_util::GetNSStringWithFixup(IDS_BUGREPORT_SEND_PHISHING_REPORT) :
@@ -147,6 +147,15 @@
   }
 }
 
+- (BOOL)control:(NSControl*)control textView:(NSTextView*)textView
+    doCommandBySelector:(SEL)commandSelector {
+  if (commandSelector == @selector(insertNewline:)) {
+    [textView insertNewlineIgnoringFieldEditor:self];
+    return YES;
+  }
+  return NO;
+}
+
 // BugReportWindowController needs to change the title of the Send Report
 // button when the user chooses the phishing bug type, so we need to bind
 // the function that changes the button title to the bug type key.