Remove DevTools instrumentation of Blink promises.

Source/core/inspector/PromiseTracker.cpp

Index: Source/core/inspector/PromiseTracker.cpp
diff --git a/Source/core/inspector/PromiseTracker.cpp b/Source/core/inspector/PromiseTracker.cpp
deleted file mode 100644
index da7eee91300d1d72bd4cd23b4b834e247715be3f..0000000000000000000000000000000000000000
--- a/Source/core/inspector/PromiseTracker.cpp
+++ /dev/null
@@ -1,102 +0,0 @@
-/*
- * Copyright (C) 2014 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-
-#include "bindings/v8/ScriptCallStackFactory.h"
-#include "core/inspector/PromiseTracker.h"
-#include "wtf/CurrentTime.h"
-
-namespace WebCore {
-
-PromiseTracker::PromiseData::PromiseData(const ScriptObject& promise, const ScriptObject& parentPromise, const ScriptValue& result, V8PromiseCustom::PromiseState state, double timestamp)
-    : m_promise(promise)
-    , m_parentPromise(parentPromise)
-    , m_result(result)
-    , m_state(state)
-    , m_timeOnCreate(timestamp)
-    , m_timeOnSettle(-1)
-    , m_callStackOnCreate(createScriptCallStack(ScriptCallStack::maxCallStackSizeToCapture, true))
-{
-}
-
-void PromiseTracker::PromiseData::didSettlePromise(double timestamp)
-{
-    m_timeOnSettle = timestamp;
-    m_callStackOnSettle = createScriptCallStack(ScriptCallStack::maxCallStackSizeToCapture, true);
-}
-
-void PromiseTracker::enable()
-{
-    m_isEnabled = true;
-}
-
-void PromiseTracker::disable()
-{
-    m_isEnabled = false;
-    clear();
-}
-
-void PromiseTracker::clear()
-{
-    m_promiseDataMap.clear();
-}
-
-void PromiseTracker::didCreatePromise(const ScriptObject& promise)
-{
-    ASSERT(isEnabled());
-
-    double timestamp = currentTimeMS();
-    m_promiseDataMap.set(promise, adoptRef(new PromiseData(promise, ScriptObject(), ScriptValue(), V8PromiseCustom::Pending, timestamp)));
-}
-
-void PromiseTracker::didUpdatePromiseParent(const ScriptObject& promise, const ScriptObject& parentPromise)
-{
-    ASSERT(isEnabled());
-
-    RefPtr<PromiseData> data = m_promiseDataMap.get(promise);
-    ASSERT(data != NULL && data->m_promise == promise);
-    data->m_parentPromise = parentPromise;
-}
-
-void PromiseTracker::didUpdatePromiseState(const ScriptObject& promise, V8PromiseCustom::PromiseState state, const ScriptValue& result)
-{
-    ASSERT(isEnabled());
-
-    double timestamp = currentTimeMS();
-    RefPtr<PromiseData> data = m_promiseDataMap.get(promise);
-    ASSERT(data != NULL && data->m_promise == promise);
-    data->m_state = state;
-    data->m_result = result;
-    if (state == V8PromiseCustom::Fulfilled || state == V8PromiseCustom::Rejected)
-        data->didSettlePromise(timestamp);
-}
-
-} // namespace WebCore