Fix else-after-returns throughout pdfium.

fpdfsdk/src/javascript/JS_Runtime.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 "../../include/javascript/JavaScript.h"
 #include "../../include/javascript/IJavaScript.h"
 #include "../../include/javascript/JS_EventHandler.h"
 #include "../../include/javascript/JS_Runtime.h"
@@ skipping 57 matching lines @@
     delete (CJS_Runtime*)pRuntime;
 }
 
 CJS_GlobalData* CJS_RuntimeFactory::NewGlobalData(CPDFDoc_Environment* pApp)
 {
         if (m_pGlobalData)
         {
                 m_nGlobalDataCount++;
                 return m_pGlobalData;
         }
-        else
-        {
-                m_nGlobalDataCount = 1;
-                m_pGlobalData = new CJS_GlobalData(pApp);
-                return m_pGlobalData;
-        }
+    m_nGlobalDataCount = 1;
+    m_pGlobalData = new CJS_GlobalData(pApp);
+    return m_pGlobalData;
 }
 
 void CJS_RuntimeFactory::ReleaseGlobalData()
 {
         m_nGlobalDataCount--;
 
         if (m_nGlobalDataCount <= 0)
         {
                 delete m_pGlobalData;
                 m_pGlobalData = NULL;
@@ skipping 247 matching lines @@
 {
         return v8::Local<v8::Context>::New(m_isolate, m_context);
 }
 
 CFX_WideString ChangeObjName(const CFX_WideString& str)
 {
         CFX_WideString sRet = str;
         sRet.Replace(L"_", L".");
         return sRet;
 }