DevTools: update V8Inspector to work with the new v8_inspector API.

third_party/WebKit/Source/platform/v8_inspector/V8StackTraceImpl.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8StackTraceImpl_h
 #define V8StackTraceImpl_h
 
 #include "platform/inspector_protocol/Collections.h"
+#include "platform/inspector_protocol/Platform.h"
 #include "platform/v8_inspector/public/V8StackTrace.h"
-#include "wtf/PtrUtil.h"
 
 namespace blink {
 
 class TracedValue;
 class V8DebuggerAgentImpl;
 
 // Note: async stack trace may have empty top stack with non-empty tail to indicate
 // that current native-only state had some async story.
 // On the other hand, any non-top async stack is guaranteed to be non-empty.
 class V8StackTraceImpl final : public V8StackTrace {
@@ skipping 48 matching lines @@
     V8StackTraceImpl(const String16& description, protocol::Vector<Frame>& frames, std::unique_ptr<V8StackTraceImpl> parent);
 
     String16 m_description;
     protocol::Vector<Frame> m_frames;
     std::unique_ptr<V8StackTraceImpl> m_parent;
 };
 
 } // namespace blink
 
 #endif // V8StackTraceImpl_h