Merge to XFA: Cleanup: Remove some NULL checks in fpdfsdk.

fpdfsdk/src/fsdk_baseform.cpp

Index: fpdfsdk/src/fsdk_baseform.cpp
diff --git a/fpdfsdk/src/fsdk_baseform.cpp b/fpdfsdk/src/fsdk_baseform.cpp
index 202f77f571ce1ef55d7391821654f34040be4ff9..ebc983794eb834d2540f0148e2796a9a3b7a102a 100644
--- a/fpdfsdk/src/fsdk_baseform.cpp
+++ b/fpdfsdk/src/fsdk_baseform.cpp
@@ -2459,7 +2459,7 @@ CFX_WideString CPDFSDK_InterForm::OnFormat(CPDF_FormField* pFormField,
   bFormated = FALSE;
 
   CPDF_AAction aAction = pFormField->GetAdditionalAction();
-  if (aAction != NULL && aAction.ActionExist(CPDF_AAction::Format)) {
+  if (aAction && aAction.ActionExist(CPDF_AAction::Format)) {
     CPDF_Action action = aAction.GetAction(CPDF_AAction::Format);
     if (action) {
       CFX_WideString script = action.GetJavaScript();
@@ -2529,7 +2529,7 @@ void CPDFSDK_InterForm::OnKeyStrokeCommit(CPDF_FormField* pFormField,
   ASSERT(pFormField != NULL);
 
   CPDF_AAction aAction = pFormField->GetAdditionalAction();
-  if (aAction != NULL && aAction.ActionExist(CPDF_AAction::KeyStroke)) {
+  if (aAction && aAction.ActionExist(CPDF_AAction::KeyStroke)) {
     CPDF_Action action = aAction.GetAction(CPDF_AAction::KeyStroke);
     if (action) {
       ASSERT(m_pDocument != NULL);
@@ -2557,7 +2557,7 @@ void CPDFSDK_InterForm::OnValidate(CPDF_FormField* pFormField,
   ASSERT(pFormField != NULL);
 
   CPDF_AAction aAction = pFormField->GetAdditionalAction();
-  if (aAction != NULL && aAction.ActionExist(CPDF_AAction::Validate)) {
+  if (aAction && aAction.ActionExist(CPDF_AAction::Validate)) {
     CPDF_Action action = aAction.GetAction(CPDF_AAction::Validate);
     if (action) {
       ASSERT(m_pDocument != NULL);
@@ -2691,19 +2691,19 @@ FX_BOOL CPDFSDK_InterForm::FDFToURLEncodedData(uint8_t*& pBuf,
   CFDF_Document* pFDF = CFDF_Document::ParseMemory(pBuf, nBufSize);
   if (pFDF) {
     CPDF_Dictionary* pMainDict = pFDF->GetRoot()->GetDict("FDF");
-    if (pMainDict == NULL)
+    if (!pMainDict)
       return FALSE;
 
     // Get fields
     CPDF_Array* pFields = pMainDict->GetArray("Fields");
-    if (pFields == NULL)
+    if (!pFields)
       return FALSE;
 
     CFX_ByteTextBuf fdfEncodedData;
 
     for (FX_DWORD i = 0; i < pFields->GetCount(); i++) {
       CPDF_Dictionary* pField = pFields->GetDict(i);
-      if (pField == NULL)
+      if (!pField)
         continue;
       CFX_WideString name;
       name = pField->GetUnicodeText("T");
@@ -2778,14 +2778,14 @@ FX_BOOL CPDFSDK_InterForm::SubmitForm(const CFX_WideString& sDestination,
   CPDFDoc_Environment* pEnv = m_pDocument->GetEnv();
   ASSERT(pEnv != NULL);
 
-  if (NULL == m_pDocument)
+  if (!m_pDocument)
     return FALSE;
   CFX_WideString wsPDFFilePath = m_pDocument->GetPath();
 
-  if (NULL == m_pInterForm)
+  if (!m_pInterForm)
     return FALSE;
   CFDF_Document* pFDFDoc = m_pInterForm->ExportToFDF(wsPDFFilePath);
-  if (NULL == pFDFDoc)
+  if (!pFDFDoc)
     return FALSE;
 
   CFX_ByteTextBuf FdfBuffer;