Remove CPWL_EditCtrl::m_pEdit null checks.

It is always non-null. Move initializers to header while we're at it.

Change-Id: I64f59ab1d5ffee9256f87e4712e46fb71f14ef08
Reviewed-on: https://pdfium-review.googlesource.com/c/43473
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

2 files changed, 9 insertions, 22 deletions

diff --git a/fpdfsdk/pwl/cpwl_edit_ctrl.cpp b/fpdfsdk/pwl/cpwl_edit_ctrl.cpp
index 579a587175..33a83cc349 100644
--- a/fpdfsdk/pwl/cpwl_edit_ctrl.cpp
+++ b/fpdfsdk/pwl/cpwl_edit_ctrl.cpp
@@ -14,14 +14,11 @@
 #include "fpdfsdk/pwl/cpwl_scroll_bar.h"
 #include "fpdfsdk/pwl/cpwl_wnd.h"
 #include "public/fpdf_fwlevent.h"
+#include "third_party/base/ptr_util.h"
 
-CPWL_EditCtrl::CPWL_EditCtrl()
-    : m_pEdit(new CPWL_EditImpl),
-      m_pEditCaret(nullptr),
-      m_bMouseDown(false),
-      m_nCharSet(FX_CHARSET_Default) {}
+CPWL_EditCtrl::CPWL_EditCtrl() : m_pEdit(pdfium::MakeUnique<CPWL_EditImpl>()) {}
 
-CPWL_EditCtrl::~CPWL_EditCtrl() {}
+CPWL_EditCtrl::~CPWL_EditCtrl() = default;
 
 void CPWL_EditCtrl::OnCreate(CreateParams* pParamsToAdjust) {
   pParamsToAdjust->eCursorType = FXCT_VBEAM;
@@ -29,7 +26,6 @@ void CPWL_EditCtrl::OnCreate(CreateParams* pParamsToAdjust) {
 
 void CPWL_EditCtrl::OnCreated() {
   SetFontSize(GetCreationParams().fFontSize);
-
   m_pEdit->SetFontMap(GetFontMap());
   m_pEdit->SetNotify(this);
   m_pEdit->Initialize();
@@ -52,16 +48,10 @@ void CPWL_EditCtrl::SetCursor() {
 }
 
 WideString CPWL_EditCtrl::GetSelectedText() {
-  if (m_pEdit)
-    return m_pEdit->GetSelectedText();
-
-  return WideString();
+  return m_pEdit->GetSelectedText();
 }
 
 void CPWL_EditCtrl::ReplaceSelection(const WideString& text) {
-  if (!m_pEdit)
-    return;
-
   m_pEdit->ClearSelection();
   m_pEdit->InsertText(text, FX_CHARSET_Default);
 }
diff --git a/fpdfsdk/pwl/cpwl_edit_ctrl.h b/fpdfsdk/pwl/cpwl_edit_ctrl.h
index a21c8a2700..741ce9c668 100644
--- a/fpdfsdk/pwl/cpwl_edit_ctrl.h
+++ b/fpdfsdk/pwl/cpwl_edit_ctrl.h
@@ -9,6 +9,7 @@
 
 #include <memory>
 
+#include "core/fxcrt/fx_codepage.h"
 #include "core/fxcrt/fx_string.h"
 #include "fpdfsdk/pwl/cpwl_wnd.h"
 
@@ -73,24 +74,20 @@ class CPWL_EditCtrl : public CPWL_Wnd {
   void CutText();
   void InsertWord(uint16_t word, int32_t nCharset);
   void InsertReturn();
-
   bool IsWndHorV();
-
   void Delete();
   void Backspace();
-
   void GetCaretInfo(CFX_PointF* ptHead, CFX_PointF* ptFoot) const;
-
   void SetEditCaret(bool bVisible);
 
-  std::unique_ptr<CPWL_EditImpl> m_pEdit;
-  CPWL_Caret* m_pEditCaret;
-  bool m_bMouseDown;
+  std::unique_ptr<CPWL_EditImpl> const m_pEdit;
+  CPWL_Caret* m_pEditCaret = nullptr;
+  bool m_bMouseDown = false;
 
  private:
   void CreateEditCaret(const CreateParams& cp);
 
-  int32_t m_nCharSet;
+  int32_t m_nCharSet = FX_CHARSET_Default;
 };
 
 #endif  // FPDFSDK_PWL_CPWL_EDIT_CTRL_H_