Introduce pdfium::FakeUniquePtr for keys to sets of unique ptrs.

fpdfsdk/javascript/app.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "fpdfsdk/javascript/app.h"
 
 #include <memory>
 #include <vector>
 
 #include "fpdfsdk/include/cpdfsdk_interform.h"
 #include "fpdfsdk/include/fsdk_mgr.h"
 #include "fpdfsdk/javascript/Document.h"
 #include "fpdfsdk/javascript/JS_Define.h"
 #include "fpdfsdk/javascript/JS_EventHandler.h"
 #include "fpdfsdk/javascript/JS_Object.h"
 #include "fpdfsdk/javascript/JS_Value.h"
 #include "fpdfsdk/javascript/cjs_context.h"
 #include "fpdfsdk/javascript/cjs_runtime.h"
 #include "fpdfsdk/javascript/resource.h"
+#include "third_party/base/stl_util.h"
 
 class GlobalTimer : public CJS_Runtime::Observer {
  public:
   GlobalTimer(app* pObj,
               CPDFDoc_Environment* pApp,
               CJS_Runtime* pRuntime,
               int nType,
               const CFX_WideString& script,
               uint32_t dwElapse,
               uint32_t dwTimeOut);
@@ skipping 471 matching lines @@
   CFX_WideString script =
       params.size() > 0 ? params[0].ToCFXWideString(pRuntime) : L"";
   if (script.IsEmpty()) {
     sError = JSGetStringFromID(pContext, IDS_STRING_JSAFNUMBER_KEYSTROKE);
     return TRUE;
   }
 
   uint32_t dwInterval = params.size() > 1 ? params[1].ToInt(pRuntime) : 1000;
   CPDFDoc_Environment* pApp = pRuntime->GetReaderApp();
 
-  std::unique_ptr<GlobalTimer> timer(
-      new GlobalTimer(this, pApp, pRuntime, 0, script, dwInterval, 0));
-  GlobalTimer* timerRef = timer.get();
-  m_Timers[timerRef] = std::move(timer);
+  GlobalTimer* timerRef =
+      new GlobalTimer(this, pApp, pRuntime, 0, script, dwInterval, 0);
+  m_Timers.insert(std::unique_ptr<GlobalTimer>(timerRef));
 
   v8::Local<v8::Object> pRetObj =
       pRuntime->NewFxDynamicObj(CJS_TimerObj::g_nObjDefnID);
   CJS_TimerObj* pJS_TimerObj =
       static_cast<CJS_TimerObj*>(pRuntime->GetObjectPrivate(pRetObj));
   TimerObj* pTimerObj = static_cast<TimerObj*>(pJS_TimerObj->GetEmbedObject());
   pTimerObj->SetTimer(timerRef);
 
   vRet = CJS_Value(pRuntime, pRetObj);
   return TRUE;
@@ skipping 13 matching lines @@
 
   CFX_WideString script = params[0].ToCFXWideString(pRuntime);
   if (script.IsEmpty()) {
     sError = JSGetStringFromID(pContext, IDS_STRING_JSAFNUMBER_KEYSTROKE);
     return TRUE;
   }
 
   uint32_t dwTimeOut = params.size() > 1 ? params[1].ToInt(pRuntime) : 1000;
   CPDFDoc_Environment* pApp = pRuntime->GetReaderApp();
 
-  std::unique_ptr<GlobalTimer> timer(
-      new GlobalTimer(this, pApp, pRuntime, 1, script, dwTimeOut, dwTimeOut));
-  GlobalTimer* timerRef = timer.get();
-  m_Timers[timerRef] = std::move(timer);
+  GlobalTimer* timerRef =
+      new GlobalTimer(this, pApp, pRuntime, 1, script, dwTimeOut, dwTimeOut);
+  m_Timers.insert(std::unique_ptr<GlobalTimer>(timerRef));
 
   v8::Local<v8::Object> pRetObj =
       pRuntime->NewFxDynamicObj(CJS_TimerObj::g_nObjDefnID);
 
   CJS_TimerObj* pJS_TimerObj =
       static_cast<CJS_TimerObj*>(pRuntime->GetObjectPrivate(pRetObj));
 
   TimerObj* pTimerObj = static_cast<TimerObj*>(pJS_TimerObj->GetEmbedObject());
   pTimerObj->SetTimer(timerRef);
 
@@ skipping 55 matching lines @@
   return FALSE;
 }
 
 void app::TimerProc(GlobalTimer* pTimer) {
   CJS_Runtime* pRuntime = pTimer->GetRuntime();
   if (pRuntime && (!pTimer->IsOneShot() || pTimer->GetTimeOut() > 0))
     RunJsScript(pRuntime, pTimer->GetJScript());
 }
 
 void app::CancelProc(GlobalTimer* pTimer) {
-  m_Timers.erase(pTimer);
+  m_Timers.erase(pdfium::FakeUniquePtr<GlobalTimer>(pTimer));
 }
 
 void app::RunJsScript(CJS_Runtime* pRuntime, const CFX_WideString& wsScript) {
   if (!pRuntime->IsBlocking()) {
     IJS_Context* pContext = pRuntime->NewContext();
     pContext->OnExternal_Exec();
     CFX_WideString wtInfo;
     pContext->RunScript(wsScript, &wtInfo);
     pRuntime->ReleaseContext(pContext);
   }
@@ skipping 194 matching lines @@
 FX_BOOL app::media(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) {
   return FALSE;
 }
 
 FX_BOOL app::execDialog(IJS_Context* cc,
                         const std::vector<CJS_Value>& params,
                         CJS_Value& vRet,
                         CFX_WideString& sError) {
   return TRUE;
 }