Fix else-after-returns throughout pdfium.

fpdfsdk/src/pdfwindow/PWL_ComboBox.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/pdfwindow/PDFWindow.h"
 #include "../../include/pdfwindow/PWL_Wnd.h"
 #include "../../include/pdfwindow/PWL_EditCtrl.h"
 #include "../../include/pdfwindow/PWL_Edit.h"
@@ skipping 555 matching lines @@
                         if (m_pList->OnKeyDownWithExit(nChar,bExit,nFlag))
                         {
                                 if (bExit) return FALSE;
                                 SetSelectText();
                         }
                 }
                 return TRUE;
         }
 
         if (HasFlag(PCBS_ALLOWCUSTOMTEXT))
-                return m_pEdit->OnKeyDown(nChar,nFlag);
-        else
-                return FALSE;
+        return m_pEdit->OnKeyDown(nChar,nFlag);
+
+    return FALSE;
 }
 
 FX_BOOL CPWL_ComboBox::OnChar(FX_WORD nChar, FX_DWORD nFlag)
 {
-        if (!m_pList) return FALSE;
-        if (!m_pEdit) return FALSE;
+        if (!m_pList)
+        return FALSE;
+
+        if (!m_pEdit)
+        return FALSE;
 
         m_nSelectItem = -1;
+        if (HasFlag(PCBS_ALLOWCUSTOMTEXT))
+                return m_pEdit->OnChar(nChar,nFlag);
+
         FX_BOOL bExit = FALSE;
-
-        if (HasFlag(PCBS_ALLOWCUSTOMTEXT))
-        {
-                return m_pEdit->OnChar(nChar,nFlag);
-        }
-        else
-        {
-                if (m_pList->OnCharWithExit(nChar,bExit,nFlag))
-                {
-                        return bExit;
-                }
-                else
-                        return FALSE;
-        }
+    return m_pList->OnCharWithExit(nChar,bExit,nFlag) ? bExit : FALSE;
 }
 
 void CPWL_ComboBox::OnNotify(CPWL_Wnd* pWnd, FX_DWORD msg, intptr_t wParam, intptr_t lParam)
 {
         switch (msg)
         {
         case PNM_LBUTTONDOWN:
                 if (pWnd == m_pButton)
                 {
                         SetPopup(!m_bPopup);
@@ skipping 41 matching lines @@
 {
          m_pFillerNotify = pNotify;
 
          if (m_pEdit)
                  m_pEdit->SetFillerNotify(pNotify);
 
          if (m_pList)
                  m_pList->SetFillerNotify(pNotify);
 }