Rename debug event enum to be consistent.

src/debug.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "v8.h"
 
 #include "api.h"
 #include "arguments.h"
 #include "bootstrapper.h"
 #include "code-stubs.h"
@@ skipping 2651 matching lines @@
 
   // Enter the debugger.
   EnterDebugger debugger(isolate_);
   if (debugger.FailedToEnter()) return;
 
   // Clear all current stepping setup.
   debug->ClearStepping();
 
   // Determine event;
   DebugEvent event = promise->IsUndefined()
-      ? v8::Exception : v8::UncaughtExceptionInPromise;
+      ? v8::Exception : v8::PendingExceptionInPromise;
 
   // Create the event data object.
   Handle<Object> event_data;
   // Bail out and don't call debugger if exception.
   if (!MakeExceptionEvent(
           exception, uncaught, promise).ToHandle(&event_data)) {
     return;
   }
 
   // Process debug event.
@@ skipping 1037 matching lines @@
       already_signalled_ = false;
     }
     {
       Locker locker(reinterpret_cast<v8::Isolate*>(isolate_));
       isolate_->debugger()->CallMessageDispatchHandler();
     }
   }
 }
 
 } }  // namespace v8::internal