DevTools: migrate from OwnPtr to std::unique_ptr for inspector protocol classes.

third_party/WebKit/Source/platform/inspector_protocol/Dispatcher_h.template

 // This file is generated
 
 // Copyright (c) 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 {{class_name}}_h
 #define {{class_name}}_h
 
 #include "platform/inspector_protocol/Backend.h"
 #include "platform/inspector_protocol/TypeBuilder.h"
 
 namespace blink {
 namespace protocol {
 
 class FrontendChannel;
 class DispatcherImplWeakPtr;
 
 class PLATFORM_EXPORT Dispatcher {
 public:
-    static PassOwnPtr<Dispatcher> create(FrontendChannel* frontendChannel);
+    static std::unique_ptr<Dispatcher> create(FrontendChannel* frontendChannel);
     virtual ~Dispatcher() { }
 
     class PLATFORM_EXPORT CallbackBase {
     public:
-        CallbackBase(PassOwnPtr<DispatcherImplWeakPtr> backendImpl, int callId);
+        CallbackBase(std::unique_ptr<DispatcherImplWeakPtr> backendImpl, int callId);
         virtual ~CallbackBase();
         void sendFailure(const ErrorString&);
         void dispose();
 
     protected:
-        void sendIfActive(PassOwnPtr<protocol::DictionaryValue> partialMessage, const ErrorString& invocationError);
+        void sendIfActive(std::unique_ptr<protocol::DictionaryValue> partialMessage, const ErrorString& invocationError);
 
     private:
-        OwnPtr<DispatcherImplWeakPtr> m_backendImpl;
+        std::unique_ptr<DispatcherImplWeakPtr> m_backendImpl;
         int m_callId;
     };
 
 {% for domain in api.domains %}
     virtual void registerAgent(blink::protocol::Backend::{{domain.domain}}*) = 0;
 {% endfor %}
 
     virtual void clearFrontend() = 0;
 
     enum CommonErrorCode {
         ParseError = 0,
         InvalidRequest,
         MethodNotFound,
         InvalidParams,
         InternalError,
         ServerError,
         LastEntry,
     };
 
     void reportProtocolError(int callId, CommonErrorCode, const String16& errorMessage) const;
     virtual void reportProtocolError(int callId, CommonErrorCode, const String16& errorMessage, ErrorSupport*) const = 0;
     virtual void dispatch(const String16& message) = 0;
     static bool getCommandName(const String16& message, String16* result);
 };
 
 } // namespace protocol
 } // namespace blink
 
 #endif // !defined({{class_name}}_h)