[inspector] move changeBreakpointState from debugger-script to native

src/inspector/v8-debugger-agent-impl.cc

 // Copyright 2015 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-agent-impl.h"
 
 #include <algorithm>
 
 #include "src/inspector/injected-script.h"
 #include "src/inspector/inspected-context.h"
@@ skipping 687 matching lines @@
     *errorString = "Unknown pause on exceptions mode: " + stringPauseState;
     return;
   }
   setPauseOnExceptionsImpl(errorString, pauseState);
 }
 
 void V8DebuggerAgentImpl::setPauseOnExceptionsImpl(ErrorString* errorString,
                                                    int pauseState) {
   m_debugger->setPauseOnExceptionsState(
       static_cast<V8Debugger::PauseOnExceptionsState>(pauseState));
-  if (m_debugger->getPauseOnExceptionsState() != pauseState)
-    *errorString = "Internal error. Could not change pause on exceptions state";
-  else
-    m_state->setInteger(DebuggerAgentState::pauseOnExceptionsState, pauseState);
+  m_state->setInteger(DebuggerAgentState::pauseOnExceptionsState, pauseState);
 }
 
 void V8DebuggerAgentImpl::evaluateOnCallFrame(
     ErrorString* errorString, const String16& callFrameId,
     const String16& expression, const Maybe<String16>& objectGroup,
     const Maybe<bool>& includeCommandLineAPI, const Maybe<bool>& silent,
     const Maybe<bool>& returnByValue, const Maybe<bool>& generatePreview,
     std::unique_ptr<RemoteObject>* result,
     Maybe<protocol::Runtime::ExceptionDetails>* exceptionDetails) {
   if (!assertPaused(errorString)) return;
@@ skipping 524 matching lines @@
 
 void V8DebuggerAgentImpl::reset() {
   if (!enabled()) return;
   m_scheduledDebuggerStep = NoStep;
   m_scripts.clear();
   m_blackboxedPositions.clear();
   m_breakpointIdToDebuggerBreakpointIds.clear();
 }
 
 }  // namespace v8_inspector