Changes to master to more closely match XFA.

fpdfsdk/src/fpdfformfill.cpp

Index: fpdfsdk/src/fpdfformfill.cpp
diff --git a/fpdfsdk/src/fpdfformfill.cpp b/fpdfsdk/src/fpdfformfill.cpp
index 272e781cc2ed3cbe80cc0b368965ed827afc26f5..cca4834f5430735cdcf9d2f11bdf205a71f0cb41 100644
--- a/fpdfsdk/src/fpdfformfill.cpp
+++ b/fpdfsdk/src/fpdfformfill.cpp
@@ -322,14 +322,8 @@ DLLEXPORT void STDCALL FORM_DoPageAAction(FPDF_PAGE page,
   CPDFSDK_PageView* pPageView = pSDKDoc->GetPageView(pPage, FALSE);
   if (pPageView) {
     CPDFDoc_Environment* pEnv = pSDKDoc->GetEnv();
-    ASSERT(pEnv != NULL);
-
     CPDFSDK_ActionHandler* pActionHandler = pEnv->GetActionHander();
-    ASSERT(pActionHandler != NULL);
-
     CPDF_Dictionary* pPageDict = pPage->m_pFormDict;
-    ASSERT(pPageDict != NULL);
-
     CPDF_AAction aa = pPageDict->GetDict(FX_BSTRC("AA"));
 
     FX_BOOL bExistOAAction = FALSE;