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

third_party/WebKit/Source/bindings/core/v8/ScriptCallStack.h

Index: third_party/WebKit/Source/bindings/core/v8/ScriptCallStack.h
diff --git a/third_party/WebKit/Source/bindings/core/v8/ScriptCallStack.h b/third_party/WebKit/Source/bindings/core/v8/ScriptCallStack.h
index f3ecb1c21b9cd42b72a0db9398f8d8d0a5011f59..49b5f80edb98c1a9c87188c56080200bc423911b 100644
--- a/third_party/WebKit/Source/bindings/core/v8/ScriptCallStack.h
+++ b/third_party/WebKit/Source/bindings/core/v8/ScriptCallStack.h
@@ -54,14 +54,14 @@ public:
     unsigned topLineNumber() const;
     unsigned topColumnNumber() const;
 
-    PassOwnPtr<protocol::Runtime::StackTrace> buildInspectorObject() const;
+    std::unique_ptr<protocol::Runtime::StackTrace> buildInspectorObject() const;
     void toTracedValue(TracedValue*, const char* name) const;
     String toString() const;
-    PassOwnPtr<V8StackTrace> copyStackTrace() const;
+    std::unique_ptr<V8StackTrace> copyStackTrace() const;
 
 private:
-    explicit ScriptCallStack(PassOwnPtr<V8StackTrace>);
-    OwnPtr<V8StackTrace> m_stackTrace;
+    explicit ScriptCallStack(std::unique_ptr<V8StackTrace>);
+    std::unique_ptr<V8StackTrace> m_stackTrace;
 };
 
 } // namespace blink