DevTools: Introduce Debugger::Reason::PromiseRejection pause reason.

Source/core/inspector/InspectorDebuggerAgent.cpp

 /*
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 1369 matching lines @@
         ScriptBreakpoint breakpoint;
         breakpointObject->getNumber(DebuggerAgentState::lineNumber, &breakpoint.lineNumber);
         breakpointObject->getNumber(DebuggerAgentState::columnNumber, &breakpoint.columnNumber);
         breakpointObject->getString(DebuggerAgentState::condition, &breakpoint.condition);
         RefPtr<TypeBuilder::Debugger::Location> location = resolveBreakpoint(it->key, scriptId, breakpoint, UserBreakpointSource);
         if (location)
             m_frontend->breakpointResolved(it->key, location);
     }
 }
 
-ScriptDebugListener::SkipPauseRequest InspectorDebuggerAgent::didPause(ScriptState* scriptState, const ScriptValue& callFrames, const ScriptValue& exception, const Vector<String>& hitBreakpoints)
+ScriptDebugListener::SkipPauseRequest InspectorDebuggerAgent::didPause(ScriptState* scriptState, const ScriptValue& callFrames, const ScriptValue& exception, const Vector<String>& hitBreakpoints, bool isPromiseRejection)
 {
     ScriptDebugListener::SkipPauseRequest result;
     if (callFrames.isEmpty())
         result = ScriptDebugListener::Continue; // Skip pauses inside V8 internal scripts and on syntax errors.
     else if (m_javaScriptPauseScheduled)
         result = ScriptDebugListener::NoSkip; // Don't skip explicit pause requests from front-end.
     else if (m_skipAllPauses)
         result = ScriptDebugListener::Continue;
     else if (!hitBreakpoints.isEmpty())
         result = ScriptDebugListener::NoSkip; // Don't skip explicit breakpoints even if set in frameworks.
     else if (!exception.isEmpty())
         result = shouldSkipExceptionPause();
     else if (m_debuggerStepScheduled || m_pausingOnNativeEvent)
         result = shouldSkipStepPause();
     else
         result = ScriptDebugListener::NoSkip;
 
     if (result != ScriptDebugListener::NoSkip)
         return result;
 
     ASSERT(scriptState && !m_pausedScriptState);
     m_pausedScriptState = scriptState;
     m_currentCallStack = callFrames;
 
     if (!exception.isEmpty()) {
         InjectedScript injectedScript = m_injectedScriptManager->injectedScriptFor(scriptState);
         if (!injectedScript.isEmpty()) {
-            m_breakReason = InspectorFrontend::Debugger::Reason::Exception;
+            m_breakReason = isPromiseRejection ? InspectorFrontend::Debugger::Reason::PromiseRejection : InspectorFrontend::Debugger::Reason::Exception;
             m_breakAuxData = injectedScript.wrapObject(exception, InspectorDebuggerAgent::backtraceObjectGroup)->openAccessors();
             // m_breakAuxData might be null after this.
         }
     }
 
     RefPtr<Array<String> > hitBreakpointIds = Array<String>::create();
 
     for (Vector<String>::const_iterator i = hitBreakpoints.begin(); i != hitBreakpoints.end(); ++i) {
         DebugServerBreakpointToBreakpointIdAndSourceMap::iterator breakpointIterator = m_serverBreakpoints.find(*i);
         if (breakpointIterator != m_serverBreakpoints.end()) {
@@ skipping 107 matching lines @@
     visitor->trace(m_injectedScriptManager);
     visitor->trace(m_listener);
     visitor->trace(m_asyncCallStackTracker);
 #if ENABLE(OILPAN)
     visitor->trace(m_promiseTracker);
 #endif
     InspectorBaseAgent::trace(visitor);
 }
 
 } // namespace blink