diff --git a/shell/browser/ui/views/menu_bar.cc b/shell/browser/ui/views/menu_bar.cc
index fe4ed9f7ac1e..a55a8128dbd9 100644
--- a/shell/browser/ui/views/menu_bar.cc
+++ b/shell/browser/ui/views/menu_bar.cc
@@ -78,7 +78,7 @@ void MenuBar::SetAcceleratorVisibility(bool visible) {
     static_cast<SubmenuButton*>(child)->SetAcceleratorVisibility(visible);
 }
 
-MenuBar::View* MenuBar::FindAccelChild(base::char16 key) {
+MenuBar::View* MenuBar::FindAccelChild(char16_t key) {
   for (auto* child : GetChildrenInZOrder()) {
     if (static_cast<SubmenuButton*>(child)->accelerator() == key)
       return child;
@@ -86,11 +86,11 @@ MenuBar::View* MenuBar::FindAccelChild(base::char16 key) {
   return nullptr;
 }
 
-bool MenuBar::HasAccelerator(base::char16 key) {
+bool MenuBar::HasAccelerator(char16_t key) {
   return FindAccelChild(key) != nullptr;
 }
 
-void MenuBar::ActivateAccelerator(base::char16 key) {
+void MenuBar::ActivateAccelerator(char16_t key) {
   auto* child = FindAccelChild(key);
   if (child)
     static_cast<SubmenuButton*>(child)->Activate(nullptr);
diff --git a/shell/browser/ui/views/menu_bar.h b/shell/browser/ui/views/menu_bar.h
index eb2e2d35ac57..1b2118381815 100644
--- a/shell/browser/ui/views/menu_bar.h
+++ b/shell/browser/ui/views/menu_bar.h
@@ -51,10 +51,10 @@ class MenuBar : public views::AccessiblePaneView,
   void SetAcceleratorVisibility(bool visible);
 
   // Returns true if the submenu has accelerator |key|
-  bool HasAccelerator(base::char16 key);
+  bool HasAccelerator(char16_t key);
 
   // Shows the submenu whose accelerator is |key|.
-  void ActivateAccelerator(base::char16 key);
+  void ActivateAccelerator(char16_t key);
 
   // Returns there are how many items in the root menu.
   int GetItemCount() const;
@@ -95,7 +95,7 @@ class MenuBar : public views::AccessiblePaneView,
   RootView* window_ = nullptr;
   ElectronMenuModel* menu_model_ = nullptr;
 
-  View* FindAccelChild(base::char16 key);
+  View* FindAccelChild(char16_t key);
 
   bool has_focus_ = true;
 
diff --git a/shell/browser/ui/views/submenu_button.cc b/shell/browser/ui/views/submenu_button.cc
index 3e3c70356c25..89a51c8ed656 100644
--- a/shell/browser/ui/views/submenu_button.cc
+++ b/shell/browser/ui/views/submenu_button.cc
@@ -90,7 +90,7 @@ void SubmenuButton::PaintButtonContents(gfx::Canvas* canvas) {
 }
 
 bool SubmenuButton::GetUnderlinePosition(const base::string16& text,
-                                         base::char16* accelerator,
+                                         char16_t* accelerator,
                                          int* start,
                                          int* end) const {
   int pos, span;
diff --git a/shell/browser/ui/views/submenu_button.h b/shell/browser/ui/views/submenu_button.h
index a5685cd1b066..10344cd6842d 100644
--- a/shell/browser/ui/views/submenu_button.h
+++ b/shell/browser/ui/views/submenu_button.h
@@ -24,7 +24,7 @@ class SubmenuButton : public views::MenuButton {
   void SetAcceleratorVisibility(bool visible);
   void SetUnderlineColor(SkColor color);
 
-  base::char16 accelerator() const { return accelerator_; }
+  char16_t accelerator() const { return accelerator_; }
 
   void GetAccessibleNodeData(ui::AXNodeData* node_data) override;
 
@@ -37,14 +37,14 @@ class SubmenuButton : public views::MenuButton {
 
  private:
   bool GetUnderlinePosition(const base::string16& text,
-                            base::char16* accelerator,
+                            char16_t* accelerator,
                             int* start,
                             int* end) const;
   void GetCharacterPosition(const base::string16& text,
                             int index,
                             int* pos) const;
 
-  base::char16 accelerator_ = 0;
+  char16_t accelerator_ = 0;
 
   bool show_underline_ = false;
 
diff --git a/shell/common/gin_converters/blink_converter.cc b/shell/common/gin_converters/blink_converter.cc
index c7cfb3a6be6b..e0316bab0cee 100644
--- a/shell/common/gin_converters/blink_converter.cc
+++ b/shell/common/gin_converters/blink_converter.cc
@@ -44,10 +44,10 @@ int VectorToBitArray(const std::vector<T>& vec) {
 namespace gin {
 
 template <>
-struct Converter<base::char16> {
+struct Converter<char16_t> {
   static bool FromV8(v8::Isolate* isolate,
                      v8::Handle<v8::Value> val,
-                     base::char16* out) {
+                     char16_t* out) {
     base::string16 code = base::UTF8ToUTF16(gin::V8ToString(isolate, val));
     if (code.length() != 1)
       return false;
diff --git a/shell/common/keyboard_util.cc b/shell/common/keyboard_util.cc
index dc77b9479379..c5dc82c540dc 100644
--- a/shell/common/keyboard_util.cc
+++ b/shell/common/keyboard_util.cc
@@ -138,7 +138,7 @@ ui::KeyboardCode KeyboardCodeFromKeyIdentifier(const std::string& s,
 
 }  // namespace
 
-ui::KeyboardCode KeyboardCodeFromCharCode(base::char16 c, bool* shifted) {
+ui::KeyboardCode KeyboardCodeFromCharCode(char16_t c, bool* shifted) {
   c = base::ToLowerASCII(c);
   *shifted = false;
   switch (c) {
diff --git a/shell/common/keyboard_util.h b/shell/common/keyboard_util.h
index e444c327ce49..127c7bea1906 100644
--- a/shell/common/keyboard_util.h
+++ b/shell/common/keyboard_util.h
@@ -14,7 +14,7 @@ namespace electron {
 
 // Return key code of the char, and also determine whether the SHIFT key is
 // pressed.
-ui::KeyboardCode KeyboardCodeFromCharCode(base::char16 c, bool* shifted);
+ui::KeyboardCode KeyboardCodeFromCharCode(char16_t c, bool* shifted);
 
 // Return key code of the |str|, and also determine whether the SHIFT key is
 // pressed.
diff --git a/shell/renderer/api/electron_api_spell_check_client.cc b/shell/renderer/api/electron_api_spell_check_client.cc
index f978f5f1f7b1..24221be890d9 100644
--- a/shell/renderer/api/electron_api_spell_check_client.cc
+++ b/shell/renderer/api/electron_api_spell_check_client.cc
@@ -29,7 +29,7 @@ namespace api {
 namespace {
 
 bool HasWordCharacters(const base::string16& text, int index) {
-  const base::char16* data = text.data();
+  const char16_t* data = text.data();
   int length = text.length();
   while (index < length) {
     uint32_t code = 0;