Repack CPDFSDK_FieldAction.

Save a few bytes. Initialize members in header.

Change-Id: Ie203771f0eee7fb8807a0e652013237679c47481
Reviewed-on: https://pdfium-review.googlesource.com/c/44230
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>

fpdfsdk/cpdfsdk_fieldaction.cpp

diff --git a/fpdfsdk/cpdfsdk_fieldaction.cpp b/fpdfsdk/cpdfsdk_fieldaction.cpp
index 352da39..57fa1b6 100644
--- a/fpdfsdk/cpdfsdk_fieldaction.cpp
+++ b/fpdfsdk/cpdfsdk_fieldaction.cpp
@@ -6,12 +6,6 @@
 
 #include "fpdfsdk/cpdfsdk_fieldaction.h"
 
-CPDFSDK_FieldAction::CPDFSDK_FieldAction()
-    : bModifier(false),
-      bShift(false),
-      bKeyDown(false),
-      nSelEnd(0),
-      nSelStart(0),
-      bWillCommit(false),
-      bFieldFull(false),
-      bRC(true) {}
+CPDFSDK_FieldAction::CPDFSDK_FieldAction() = default;
+
+CPDFSDK_FieldAction::~CPDFSDK_FieldAction() = default;

fpdfsdk/cpdfsdk_fieldaction.h

diff --git a/fpdfsdk/cpdfsdk_fieldaction.h b/fpdfsdk/cpdfsdk_fieldaction.h
index 36a57e5..7c24121 100644
--- a/fpdfsdk/cpdfsdk_fieldaction.h
+++ b/fpdfsdk/cpdfsdk_fieldaction.h
@@ -21,18 +21,19 @@
 struct CPDFSDK_FieldAction {
   CPDFSDK_FieldAction();
   CPDFSDK_FieldAction(const CPDFSDK_FieldAction& other) = delete;
+  ~CPDFSDK_FieldAction();
 
-  bool bModifier;
-  bool bShift;
+  bool bModifier = false;
+  bool bShift = false;
+  bool bKeyDown = false;
+  bool bWillCommit = false;
+  bool bFieldFull = false;
+  bool bRC = true;
+  int nSelEnd = 0;
+  int nSelStart = 0;
   WideString sChange;
   WideString sChangeEx;
-  bool bKeyDown;
-  int nSelEnd;
-  int nSelStart;
   WideString sValue;
-  bool bWillCommit;
-  bool bFieldFull;
-  bool bRC;
 };
 
 #endif  // FPDFSDK_CPDFSDK_FIELDACTION_H_