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

third_party/WebKit/Source/bindings/core/v8/SourceLocation.cpp

 // 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.
 
 #include "bindings/core/v8/SourceLocation.h"
 
 #include "bindings/core/v8/V8PerIsolateData.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/dom/ScriptableDocumentParser.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/inspector/ThreadDebugger.h"
 #include "platform/ScriptForbiddenScope.h"
 #include "platform/TracedValue.h"
 #include "platform/v8_inspector/public/V8Debugger.h"
 
 namespace blink {
 
 namespace {
 
-PassOwnPtr<V8StackTrace> captureStackTrace()
+std::unique_ptr<V8StackTrace> captureStackTrace()
 {
     v8::Isolate* isolate = v8::Isolate::GetCurrent();
     V8PerIsolateData* data = V8PerIsolateData::from(isolate);
     if (!data->threadDebugger() || !isolate->InContext())
         return nullptr;
     size_t stackSize = 1;
     if (InspectorInstrumentation::hasFrontends()) {
         if (InspectorInstrumentation::consoleAgentEnabled(currentExecutionContext(isolate)))
             stackSize = V8StackTrace::maxCallStackSizeToCapture;
     }
     ScriptForbiddenScope::AllowUserAgentScript allowScripting;
     return data->threadDebugger()->debugger()->captureStackTrace(stackSize);
 }
 
 }
 
 // static
 PassOwnPtr<SourceLocation> SourceLocation::capture(const String& url, unsigned lineNumber, unsigned columnNumber)
 {
-    OwnPtr<V8StackTrace> stackTrace = captureStackTrace();
+    std::unique_ptr<V8StackTrace> stackTrace = captureStackTrace();
     if (stackTrace && !stackTrace->isEmpty())
         return SourceLocation::create(stackTrace->topSourceURL(), stackTrace->topLineNumber(), stackTrace->topColumnNumber(), std::move(stackTrace), 0);
     return SourceLocation::create(url, lineNumber, columnNumber, std::move(stackTrace));
 }
 
 // static
 PassOwnPtr<SourceLocation> SourceLocation::capture(ExecutionContext* executionContext)
 {
-    OwnPtr<V8StackTrace> stackTrace = captureStackTrace();
+    std::unique_ptr<V8StackTrace> stackTrace = captureStackTrace();
     if (stackTrace && !stackTrace->isEmpty())
         return SourceLocation::create(stackTrace->topSourceURL(), stackTrace->topLineNumber(), stackTrace->topColumnNumber(), std::move(stackTrace), 0);
 
     Document* document = executionContext && executionContext->isDocument() ? toDocument(executionContext) : nullptr;
     if (document) {
         unsigned lineNumber = 0;
         if (document->scriptableDocumentParser() && !document->isInDocumentWrite()) {
             if (document->scriptableDocumentParser()->isParsingAtLineNumber())
                 lineNumber = document->scriptableDocumentParser()->lineNumber().oneBasedInt();
         }
         return SourceLocation::create(document->url().getString(), lineNumber, 0, std::move(stackTrace));
     }
 
     return SourceLocation::create(executionContext ? executionContext->url().getString() : "", 0, 0, std::move(stackTrace));
 }
 
 // static
-PassOwnPtr<SourceLocation> SourceLocation::create(const String& url, unsigned lineNumber, unsigned columnNumber, PassOwnPtr<V8StackTrace> stackTrace, int scriptId)
+PassOwnPtr<SourceLocation> SourceLocation::create(const String& url, unsigned lineNumber, unsigned columnNumber, std::unique_ptr<V8StackTrace> stackTrace, int scriptId)
 {
     return adoptPtr(new SourceLocation(url, lineNumber, columnNumber, std::move(stackTrace), scriptId));
 }
 
-SourceLocation::SourceLocation(const String& url, unsigned lineNumber, unsigned columnNumber, PassOwnPtr<V8StackTrace> stackTrace, int scriptId)
+SourceLocation::SourceLocation(const String& url, unsigned lineNumber, unsigned columnNumber, std::unique_ptr<V8StackTrace> stackTrace, int scriptId)
     : m_url(url)
     , m_lineNumber(lineNumber)
     , m_columnNumber(columnNumber)
     , m_stackTrace(std::move(stackTrace))
     , m_scriptId(scriptId)
 {
 }
 
 SourceLocation::~SourceLocation()
 {
 }
 
 void SourceLocation::toTracedValue(TracedValue* value, const char* name) const
 {
     if (!m_stackTrace || m_stackTrace->isEmpty())
         return;
     value->beginArray(name);
     value->beginDictionary();
     value->setString("functionName", m_stackTrace->topFunctionName());
     value->setString("scriptId", m_stackTrace->topScriptId());
     value->setString("url", m_stackTrace->topSourceURL());
     value->setInteger("lineNumber", m_stackTrace->topLineNumber());
     value->setInteger("columnNumber", m_stackTrace->topColumnNumber());
     value->endDictionary();
     value->endArray();
 }
 
 } // namespace blink