Remove base/debug_util. Move the debug UI related functions to base/debug/deb...

base/debug/debugger.h

Index: base/debug/debugger.h
===================================================================
--- base/debug/debugger.h	(revision 70346)
+++ base/debug/debugger.h	(working copy)
@@ -33,6 +33,14 @@
 // Break into the debugger, assumes a debugger is present.
 void BreakDebugger();
 
+// Used in test code, this controls whether showing dialogs and breaking into
+// the debugger is suppressed for debug errors, even in debug mode (normally
+// release mode doesn't do this stuff --  this is controlled separately).
+// Normally UI is not suppressed.  This is normally used when running automated
+// tests where we want a crash rather than a dialog or a debugger.
+void SetSuppressDebugUI(bool suppress);
+bool IsDebugUISuppressed();
+
 }  // namespace debug
 }  // namespace base