Fix and enable lint checks.

fpdfsdk/src/fpdfxfa/fpdfxfa_doc.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/include/fpdfxfa/fpdfxfa_app.h"
 #include "fpdfsdk/include/fpdfxfa/fpdfxfa_doc.h"
 #include "fpdfsdk/include/fpdfxfa/fpdfxfa_page.h"
 #include "fpdfsdk/include/fpdfxfa/fpdfxfa_util.h"
@@ skipping 1030 matching lines @@
   CFX_WideString srcURL = csURL;
   srcURL.TrimLeft();
   if (0 != srcURL.Left(7).CompareNoCase(L"mailto:"))
     return FALSE;
   int pos = srcURL.Find(L'?', 0);
   CFX_WideString tmp;
   if (pos == -1) {
     pos = srcURL.Find(L'@', 0);
     if (pos == -1)
       return FALSE;
-    else {
-      tmp = srcURL.Right(csURL.GetLength() - 7);
-      tmp.TrimLeft();
-      tmp.TrimRight();
-    }
+
+    tmp = srcURL.Right(csURL.GetLength() - 7);
+    tmp.TrimLeft();
+    tmp.TrimRight();
   } else {
     tmp = srcURL.Left(pos);
     tmp = tmp.Right(tmp.GetLength() - 7);
     tmp.TrimLeft();
     tmp.TrimRight();
   }
 
   csToAddress = tmp;
 
   srcURL = srcURL.Right(srcURL.GetLength() - (pos + 1));
@@ skipping 183 matching lines @@
   }
 
   return _GetHValueByName(szPropName, hValue,
                           m_pSDKDoc->GetEnv()->GetJSRuntime());
 }
 FX_BOOL CPDFXFA_Document::_GetHValueByName(const CFX_ByteStringC& utf8Name,
                                            FXJSE_HVALUE hValue,
                                            IJS_Runtime* runTime) {
   return runTime->GetHValueByName(utf8Name, hValue);
 }