Fix some random nits.

Change-Id: I735c057d4900bcd58c1041df16b885dc7c9ed27d
Reviewed-on: https://pdfium-review.googlesource.com/c/43793
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

4 files changed, 8 insertions, 8 deletions

diff --git a/core/fxcrt/maybe_owned.h b/core/fxcrt/maybe_owned.h
index 511e63223b..26e9d6fe1c 100644
--- a/core/fxcrt/maybe_owned.h
+++ b/core/fxcrt/maybe_owned.h
@@ -21,7 +21,7 @@ namespace fxcrt {
 template <typename T, typename D = std::default_delete<T>>
 class MaybeOwned {
  public:
-  MaybeOwned() : m_pObj(nullptr) {}
+  MaybeOwned() = default;
   explicit MaybeOwned(T* ptr) : m_pObj(ptr) {}
   explicit MaybeOwned(const UnownedPtr<T>& ptr) : m_pObj(ptr.Get()) {}
   explicit MaybeOwned(std::unique_ptr<T, D> ptr)
diff --git a/core/fxcrt/observable.h b/core/fxcrt/observable.h
index e99dadfc8e..e118dc898b 100644
--- a/core/fxcrt/observable.h
+++ b/core/fxcrt/observable.h
@@ -25,13 +25,13 @@ class Observable {
   // Simple case of a self-nulling pointer.
   class ObservedPtr final : public Observer {
    public:
-    ObservedPtr() : m_pObservable(nullptr) {}
+    ObservedPtr() = default;
     explicit ObservedPtr(T* pObservable) : m_pObservable(pObservable) {
       if (m_pObservable)
         m_pObservable->AddObserver(this);
     }
     ObservedPtr(const ObservedPtr& that) : ObservedPtr(that.Get()) {}
-    ~ObservedPtr() {
+    ~ObservedPtr() override {
       if (m_pObservable)
         m_pObservable->RemoveObserver(this);
     }
@@ -60,7 +60,7 @@ class Observable {
     T* operator->() const { return m_pObservable; }
 
    private:
-    T* m_pObservable;
+    T* m_pObservable = nullptr;
   };
 
   Observable() = default;
diff --git a/core/fxcrt/weak_ptr.h b/core/fxcrt/weak_ptr.h
index 3ec3942c5f..7b345aa993 100644
--- a/core/fxcrt/weak_ptr.h
+++ b/core/fxcrt/weak_ptr.h
@@ -58,8 +58,8 @@ class WeakPtr {
  private:
   class Handle {
    public:
-    explicit Handle(std::unique_ptr<T, D> ptr)
-        : m_nCount(0), m_pObj(std::move(ptr)) {}
+    explicit Handle(std::unique_ptr<T, D> ptr) : m_pObj(std::move(ptr)) {}
+
     void Reset(std::unique_ptr<T, D> ptr) { m_pObj = std::move(ptr); }
     void Clear() {     // Now you're all weak ptrs ...
       m_pObj.reset();  // unique_ptr nulls first before invoking delete.
@@ -78,7 +78,7 @@ class WeakPtr {
    private:
     ~Handle() = default;
 
-    intptr_t m_nCount;
+    intptr_t m_nCount = 0;
     std::unique_ptr<T, D> m_pObj;
   };
 
diff --git a/fxjs/ijs_runtime.h b/fxjs/ijs_runtime.h
index d74bb94929..61aeda5600 100644
--- a/fxjs/ijs_runtime.h
+++ b/fxjs/ijs_runtime.h
@@ -44,7 +44,7 @@ class IJS_Runtime {
     IJS_EventContext* operator->() const { return m_pContext.Get(); }
 
    private:
-    UnownedPtr<IJS_Runtime> m_pRuntime;
+    UnownedPtr<IJS_Runtime> const m_pRuntime;
     UnownedPtr<IJS_EventContext> m_pContext;
   };