Fix a bunch of pointless returns.

fpdfsdk/src/fsdk_annothandler.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 <algorithm>
 
 #include "fpdfsdk/include/formfiller/FFL_FormFiller.h"
 #include "fpdfsdk/include/fsdk_annothandler.h"
@@ skipping 187 matching lines @@
     return pAnnotHandler->OnRButtonUp(pPageView, pAnnot, nFlags, point);
   }
   return FALSE;
 }
 
 void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseEnter(CPDFSDK_PageView* pPageView,
                                                  CPDFSDK_Annot* pAnnot,
                                                  FX_DWORD nFlag) {
   ASSERT(pAnnot);
 
-  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
     pAnnotHandler->OnMouseEnter(pPageView, pAnnot, nFlag);
-  }
-  return;
 }
 
 void CPDFSDK_AnnotHandlerMgr::Annot_OnMouseExit(CPDFSDK_PageView* pPageView,
                                                 CPDFSDK_Annot* pAnnot,
                                                 FX_DWORD nFlag) {
   ASSERT(pAnnot);
 
-  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
+  if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot))
     pAnnotHandler->OnMouseExit(pPageView, pAnnot, nFlag);
-  }
-  return;
 }
 
 FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnChar(CPDFSDK_Annot* pAnnot,
                                               FX_DWORD nChar,
                                               FX_DWORD nFlags) {
   if (IPDFSDK_AnnotHandler* pAnnotHandler = GetAnnotHandler(pAnnot)) {
     return pAnnotHandler->OnChar(pAnnot, nChar, nFlags);
   }
   return FALSE;
 }
@@ skipping 424 matching lines @@
 
 CPDFSDK_Annot* CPDFSDK_AnnotIterator::PrevAnnot() {
   if (m_pos < m_iteratorAnnotList.size())
     return m_iteratorAnnotList[m_iteratorAnnotList.size() - ++m_pos];
   return nullptr;
 }
 
 CPDFSDK_Annot* CPDFSDK_AnnotIterator::Next() {
   return m_bReverse ? PrevAnnot() : NextAnnot();
 }