Revert [Mac] 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 59069a70c649f11168ddc4c924a15d46d5840a85..771790b07cff8c2dee21895415c777507840f45d 100644
--- a/chrome/browser/chrome_browser_application_mac.mm
+++ b/chrome/browser/chrome_browser_application_mac.mm
@@ -431,15 +431,6 @@ void SwizzleInit() {
 }
 
 - (void)sendEvent:(NSEvent*)event {
-  // TODO(shess): Squirrel away some info to direct debugging.
-  // Current hypothesis is that it's a keyboard accelerator.
-  // http://crbug.com/154483
-  static NSString* const kSendEventKey = @"sendevent";
-  // 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);
-
   base::mac::ScopedSendingEvent sendingEventScoper;
   for (id<CrApplicationEventHookProtocol> handler in eventHooks_.get()) {
     [handler hookForEvent:event];