Re-enable MSVC warning 4702

fpdfsdk/javascript/JS_EventHandler.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/JS_EventHandler.h"
 
 #include "fpdfsdk/include/javascript/IJavaScript.h"
 #include "fpdfsdk/javascript/Document.h"
@@ skipping 496 matching lines @@
       return L"Close";
     case JET_SCREEN_INVIEW:
     case JET_PAGE_INVIEW:
       return L"InView";
     case JET_PAGE_OUTVIEW:
     case JET_SCREEN_OUTVIEW:
       return L"OutView";
     default:
       return L"";
   }
-
-  return L"";
 }
 
 const FX_WCHAR* CJS_EventHandler::Type() {
   switch (m_eEventType) {
     case JET_APP_INIT:
       return L"App";
     case JET_BATCH_EXEC:
       return L"Batch";
     case JET_BOOKMARK_MOUSEUP:
       return L"BookMark";
@@ skipping 35 matching lines @@
     case JET_MENU_EXEC:
       return L"Menu";
     case JET_PAGE_OPEN:
     case JET_PAGE_CLOSE:
     case JET_PAGE_INVIEW:
     case JET_PAGE_OUTVIEW:
       return L"Page";
     default:
       return L"";
   }
-
-  return L"";
 }
 
 FX_BOOL& CJS_EventHandler::Rc() {
   if (m_pbRc) {
     return *m_pbRc;
   }
   return m_bRcDu;
 }
 
 int& CJS_EventHandler::SelEnd() {
@@ skipping 64 matching lines @@
   return *m_pValue;
 }
 
 FX_BOOL CJS_EventHandler::WillCommit() {
   return m_bWillCommit;
 }
 
 CFX_WideString CJS_EventHandler::TargetName() {
   return m_strTargetName;
 }