[debug] mark more unused debug API as deprecated.

src/inspector/v8-debugger.cc

 // Copyright 2016 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 "src/inspector/v8-debugger.h"
 
 #include "src/inspector/debugger-script.h"
 #include "src/inspector/protocol/Protocol.h"
 #include "src/inspector/script-breakpoint.h"
 #include "src/inspector/string-util.h"
@@ skipping 541 matching lines @@
       ->Call(m_isolate->GetCurrentContext(), object, 0, nullptr)
       .ToLocalChecked();
 }
 
 void V8Debugger::handleV8DebugEvent(
     const v8::DebugInterface::EventDetails& eventDetails) {
   if (!enabled()) return;
   v8::DebugEvent event = eventDetails.GetEvent();
   if (event != v8::AsyncTaskEvent && event != v8::Break &&
       event != v8::Exception && event != v8::AfterCompile &&
-      event != v8::BeforeCompile && event != v8::CompileError)
+      event != v8::CompileError)
     return;
 
   v8::Local<v8::Context> eventContext = eventDetails.GetEventContext();
   DCHECK(!eventContext.IsEmpty());
 
   if (event == v8::AsyncTaskEvent) {
     v8::HandleScope scope(m_isolate);
     handleV8AsyncTaskEvent(eventContext, eventDetails.GetExecutionState(),
                            eventDetails.GetEventData());
     return;
@@ skipping 437 matching lines @@
 
   size_t stackSize =
       fullStack ? V8StackTraceImpl::maxCallStackSizeToCapture : 1;
   if (m_inspector->enabledRuntimeAgentForGroup(contextGroupId))
     stackSize = V8StackTraceImpl::maxCallStackSizeToCapture;
 
   return V8StackTraceImpl::capture(this, contextGroupId, stackSize);
 }
 
 }  // namespace v8_inspector