Remove FX_DWORD from fpdfsdk/ and testing/

fpdfsdk/fsdk_mgr.cpp

Index: fpdfsdk/fsdk_mgr.cpp
diff --git a/fpdfsdk/fsdk_mgr.cpp b/fpdfsdk/fsdk_mgr.cpp
index 91bafb10defe246b1d28e2f7b92365510a95dab9..83de4e84f97ef4b0730c70c8aa90724264eb7b1a 100644
--- a/fpdfsdk/fsdk_mgr.cpp
+++ b/fpdfsdk/fsdk_mgr.cpp
@@ -97,16 +97,16 @@ class CFX_SystemHandler : public IFX_SystemHandler {
                                         uint8_t nCharset) override;
   int32_t SetTimer(int32_t uElapse, TimerCallback lpTimerFunc) override;
   void KillTimer(int32_t nID) override;
-  FX_BOOL IsSHIFTKeyDown(FX_DWORD nFlag) override {
+  FX_BOOL IsSHIFTKeyDown(uint32_t nFlag) override {
     return m_pEnv->FFI_IsSHIFTKeyDown(nFlag);
   }
-  FX_BOOL IsCTRLKeyDown(FX_DWORD nFlag) override {
+  FX_BOOL IsCTRLKeyDown(uint32_t nFlag) override {
     return m_pEnv->FFI_IsCTRLKeyDown(nFlag);
   }
-  FX_BOOL IsALTKeyDown(FX_DWORD nFlag) override {
+  FX_BOOL IsALTKeyDown(uint32_t nFlag) override {
     return m_pEnv->FFI_IsALTKeyDown(nFlag);
   }
-  FX_BOOL IsINSERTKeyDown(FX_DWORD nFlag) override {
+  FX_BOOL IsINSERTKeyDown(uint32_t nFlag) override {
     return m_pEnv->FFI_IsINSERTKeyDown(nFlag);
   }
   FX_SYSTEMTIME GetLocalTime() override;