The benefits of having a CPDFSDK_FormActionHandler instance in
CPDFSDK_ActionHandler are unclear. It does not add encapsulation, nor
simplicity to the logic.

CL is a driven-by clean up that merges CPDFSDK_FormActionHandler into
CPDFSDK_ActionHandler.
It takes the opportunity to delete CPDFSDK_ActionHandler (now) empty
constructor and destructor, in favor of compiler-generated ones.

No behavior change is expected, so no new tests are being added.

Review-Url: https://codereview.chromium.org/2227173002
diff --git a/fpdfsdk/fsdk_actionhandler.cpp b/fpdfsdk/fsdk_actionhandler.cpp
index 27f0d34..be61ba4 100644
--- a/fpdfsdk/fsdk_actionhandler.cpp
+++ b/fpdfsdk/fsdk_actionhandler.cpp
@@ -17,11 +17,6 @@
 #include "fpdfsdk/javascript/ijs_runtime.h"
 #include "third_party/base/stl_util.h"
 
-CPDFSDK_ActionHandler::CPDFSDK_ActionHandler()
-    : m_pFormActionHandler(new CPDFSDK_FormActionHandler) {}
-
-CPDFSDK_ActionHandler::~CPDFSDK_ActionHandler() {}
-
 FX_BOOL CPDFSDK_ActionHandler::DoAction_DocOpen(const CPDF_Action& action,
                                                 CPDFSDK_Document* pDocument) {
   std::set<CPDF_Dictionary*> visited;
@@ -383,27 +378,19 @@
     case CPDF_Action::Movie:
       break;
     case CPDF_Action::Hide:
-      if (m_pFormActionHandler) {
-        m_pFormActionHandler->DoAction_Hide(action, pDocument);
-      }
+      DoAction_Hide(action, pDocument);
       break;
     case CPDF_Action::Named:
       DoAction_Named(pDocument, action);
       break;
     case CPDF_Action::SubmitForm:
-      if (m_pFormActionHandler) {
-        m_pFormActionHandler->DoAction_SubmitForm(action, pDocument);
-      }
+      DoAction_SubmitForm(action, pDocument);
       break;
     case CPDF_Action::ResetForm:
-      if (m_pFormActionHandler) {
-        m_pFormActionHandler->DoAction_ResetForm(action, pDocument);
-      }
+      DoAction_ResetForm(action, pDocument);
       break;
     case CPDF_Action::ImportData:
-      if (m_pFormActionHandler) {
-        m_pFormActionHandler->DoAction_ImportData(action, pDocument);
-      }
+      DoAction_ImportData(action, pDocument);
       break;
     case CPDF_Action::JavaScript:
       ASSERT(FALSE);
@@ -606,8 +593,8 @@
   pRuntime->ReleaseContext(pContext);
 }
 
-FX_BOOL CPDFSDK_FormActionHandler::DoAction_Hide(const CPDF_Action& action,
-                                                 CPDFSDK_Document* pDocument) {
+FX_BOOL CPDFSDK_ActionHandler::DoAction_Hide(const CPDF_Action& action,
+                                             CPDFSDK_Document* pDocument) {
   CPDFSDK_InterForm* pInterForm = pDocument->GetInterForm();
   if (pInterForm->DoAction_Hide(action)) {
     pDocument->SetChangeMark();
@@ -617,21 +604,20 @@
   return FALSE;
 }
 
-FX_BOOL CPDFSDK_FormActionHandler::DoAction_SubmitForm(
+FX_BOOL CPDFSDK_ActionHandler::DoAction_SubmitForm(
     const CPDF_Action& action,
     CPDFSDK_Document* pDocument) {
   CPDFSDK_InterForm* pInterForm = pDocument->GetInterForm();
   return pInterForm->DoAction_SubmitForm(action);
 }
 
-FX_BOOL CPDFSDK_FormActionHandler::DoAction_ResetForm(
-    const CPDF_Action& action,
-    CPDFSDK_Document* pDocument) {
+FX_BOOL CPDFSDK_ActionHandler::DoAction_ResetForm(const CPDF_Action& action,
+                                                  CPDFSDK_Document* pDocument) {
   CPDFSDK_InterForm* pInterForm = pDocument->GetInterForm();
   return pInterForm->DoAction_ResetForm(action);
 }
 
-FX_BOOL CPDFSDK_FormActionHandler::DoAction_ImportData(
+FX_BOOL CPDFSDK_ActionHandler::DoAction_ImportData(
     const CPDF_Action& action,
     CPDFSDK_Document* pDocument) {
   CPDFSDK_InterForm* pInterForm = pDocument->GetInterForm();
diff --git a/fpdfsdk/include/fsdk_actionhandler.h b/fpdfsdk/include/fsdk_actionhandler.h
index e8f1a0d..66ec69e 100644
--- a/fpdfsdk/include/fsdk_actionhandler.h
+++ b/fpdfsdk/include/fsdk_actionhandler.h
@@ -18,22 +18,8 @@
 class CPDF_Bookmark;
 class CPDF_Dictionary;
 
-class CPDFSDK_FormActionHandler {
- public:
-  FX_BOOL DoAction_Hide(const CPDF_Action& action, CPDFSDK_Document* pDocument);
-  FX_BOOL DoAction_SubmitForm(const CPDF_Action& action,
-                              CPDFSDK_Document* pDocument);
-  FX_BOOL DoAction_ResetForm(const CPDF_Action& action,
-                             CPDFSDK_Document* pDocument);
-  FX_BOOL DoAction_ImportData(const CPDF_Action& action,
-                              CPDFSDK_Document* pDocument);
-};
-
 class CPDFSDK_ActionHandler {
  public:
-  CPDFSDK_ActionHandler();
-  ~CPDFSDK_ActionHandler();
-
   FX_BOOL DoAction_DocOpen(const CPDF_Action& action,
                            CPDFSDK_Document* pDocument);
   FX_BOOL DoAction_JavaScript(const CPDF_Action& JsAction,
@@ -117,7 +103,13 @@
   void DoAction_SetOCGState(CPDFSDK_Document* pDocument,
                             const CPDF_Action& action);
 
-  std::unique_ptr<CPDFSDK_FormActionHandler> m_pFormActionHandler;
+  FX_BOOL DoAction_Hide(const CPDF_Action& action, CPDFSDK_Document* pDocument);
+  FX_BOOL DoAction_SubmitForm(const CPDF_Action& action,
+                              CPDFSDK_Document* pDocument);
+  FX_BOOL DoAction_ResetForm(const CPDF_Action& action,
+                             CPDFSDK_Document* pDocument);
+  FX_BOOL DoAction_ImportData(const CPDF_Action& action,
+                              CPDFSDK_Document* pDocument);
 };
 
 #endif  // FPDFSDK_INCLUDE_FSDK_ACTIONHANDLER_H_