[Mac] Tweak crash logging for -sendEvent: crash.

chrome/browser/chrome_browser_application_mac.mm

Index: chrome/browser/chrome_browser_application_mac.mm
diff --git a/chrome/browser/chrome_browser_application_mac.mm b/chrome/browser/chrome_browser_application_mac.mm
index 2ce5ea8230e98f5d3881f7474a3ea64efcfc010d..2b1cc70424671f0b27c1ebe655a0edfb3fb586a4 100644
--- a/chrome/browser/chrome_browser_application_mac.mm
+++ b/chrome/browser/chrome_browser_application_mac.mm
@@ -435,7 +435,10 @@ void SwizzleInit() {
   // Current hypothesis is that it's a keyboard accelerator.
   // http://crbug.com/154483
   static NSString* const kSendEventKey = @"sendevent";
-  base::mac::ScopedCrashKey key(kSendEventKey, [event description]);
+  // For NSEventType 28, recursive -description causes a crash.
+  // Not much to be done, that type is undocumented.
+  NSString* value = [event type] == 28 ? @"type=28" : [event description];
+  base::mac::ScopedCrashKey key(kSendEventKey, value);

[Scott Hess - ex-Googler, 2012/10/16 21:56:32]

Why not haz magic constant?  Because I couldn't think of a name. 
kUndocumentedCrashingType?  I don't know.

[Nico, 2012/10/16 22:23:30]

kTwentyEight, duh.

 
   base::mac::ScopedSendingEvent sendingEventScoper;
   for (id<CrApplicationEventHookProtocol> handler in eventHooks_.get()) {