DevTools: [console] Logged promise rejections do not change state once handled

Source/bindings/core/v8/RejectedPromises.cpp

Index: Source/bindings/core/v8/RejectedPromises.cpp
diff --git a/Source/bindings/core/v8/RejectedPromises.cpp b/Source/bindings/core/v8/RejectedPromises.cpp
index 97e5a1b1569b3a13becff0088dc014207bde6f53..1c6537c664f48329fe6115052bde7be0ae09d219 100644
--- a/Source/bindings/core/v8/RejectedPromises.cpp
+++ b/Source/bindings/core/v8/RejectedPromises.cpp
@@ -14,6 +14,8 @@
 
 namespace blink {
 
+static const unsigned maxReportedHandlersPendingResolution = 1000;
+
 class RejectedPromises::Message final : public NoBaseWillBeGarbageCollectedFinalized<RejectedPromises::Message> {
 public:
     static PassOwnPtrWillBeRawPtr<Message> create(const ScriptValue& promise, const ScriptValue& exception, const String& errorMessage, const String& resourceName, int scriptId, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack> callStack)
@@ -36,6 +38,7 @@ private:
         , m_lineNumber(lineNumber)
         , m_columnNumber(columnNumber)
         , m_callStack(callStack)
+        , m_sequenceNumber(0)
     {
     }
 
@@ -49,6 +52,7 @@ private:
     const int m_lineNumber;
     const int m_columnNumber;
     const RefPtrWillBeMember<ScriptCallStack> m_callStack;
+    unsigned m_sequenceNumber;
 };
 
 RejectedPromises::RejectedPromises()
@@ -62,7 +66,7 @@ DEFINE_TRACE(RejectedPromises)
     visitor->trace(m_queue);
 }
 
-void RejectedPromises::add(ScriptState* scriptState, v8::PromiseRejectMessage data, const String& errorMessage, const String& resourceName, int scriptId, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack> callStack)
+void RejectedPromises::rejectedWithNoHandler(ScriptState* scriptState, v8::PromiseRejectMessage data, const String& errorMessage, const String& resourceName, int scriptId, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack> callStack)
 {
     v8::Handle<v8::Promise> promise = data.GetPromise();
     OwnPtrWillBeRawPtr<Message> message = Message::create(ScriptValue(scriptState, promise), ScriptValue(scriptState, data.GetValue()), errorMessage, resourceName, scriptId, lineNumber, columnNumber, callStack);
@@ -70,6 +74,46 @@ void RejectedPromises::add(ScriptState* scriptState, v8::PromiseRejectMessage da
     m_queue.append(message.release());
 }
 
+void RejectedPromises::handlerAdded(v8::PromiseRejectMessage data)
+{
+    // First look it up in the pending messages and fast return, it'll be covered by processQueue().
+    for (auto it = m_queue.begin(); it != m_queue.end(); ++it) {
+        ScriptState* scriptState = (*it)->m_promise.scriptState();
+        if (!scriptState->contextIsValid())
+            continue;
+
+        ScriptState::Scope scope(scriptState);
+        v8::Handle<v8::Value> promise = (*it)->m_promise.v8Value();
+        if (promise == data.GetPromise())
+            return;
+    }
+
+    // Then look it up in the reported errors.
+    for (auto it = m_reportedAsErrors.begin(); it != m_reportedAsErrors.end(); ++it) {
+        ScriptState* scriptState = (*it)->m_promise.scriptState();
+        if (!scriptState->contextIsValid())
+            continue;
+
+        ScriptState::Scope scope(scriptState);
+        v8::Handle<v8::Value> promise = (*it)->m_promise.v8Value();
+        if (promise != data.GetPromise())
+            continue;
+
+        // If execution termination has been triggered, quietly bail out.
+        if (v8::V8::IsExecutionTerminating(scriptState->isolate()))
+            continue;
+        ExecutionContext* executionContext = scriptState->executionContext();
+        if (!executionContext)
+            continue;
+
+        RefPtrWillBeRawPtr<ConsoleMessage> consoleMessage = ConsoleMessage::create(JSMessageSource, RevokedErrorMessageLevel, "Handler added to rejected promise");
+        consoleMessage->setRelatedSequenceNumber((*it)->m_sequenceNumber);
+        executionContext->addConsoleMessage(consoleMessage.release());
+        m_reportedAsErrors.remove(it);
+        break;
+    }
+}
+
 void RejectedPromises::dispose()
 {
     processQueue();
@@ -115,7 +159,12 @@ void RejectedPromises::processQueue()
         consoleMessage->setScriptArguments(arguments);
         consoleMessage->setCallStack(message->m_callStack);
         consoleMessage->setScriptId(message->m_scriptId);
+        message->m_sequenceNumber = consoleMessage->sequenceNumber();
         executionContext->addConsoleMessage(consoleMessage.release());
+
+        m_reportedAsErrors.append(message.release());
+        if (m_reportedAsErrors.size() > maxReportedHandlersPendingResolution)
+            m_reportedAsErrors.removeFirst();
     }
 }