Style cleanups following r606842.

BUG=898958
R=pkasting@chromium.org

Change-Id: Ib5790e607c4b0d500e39cfea7dd240596dee27ca
Reviewed-on: https://chromium-review.googlesource.com/c/1333372
Commit-Queue: Greg Thompson <grt@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Cr-Commit-Position: refs/heads/master@{#609981}

chrome/browser/ui/toolbar/app_menu_icon_controller.h

@@ -24,12 +24,12 @@ class AppMenuIconController :
     public content::NotificationObserver,
     public UpgradeObserver {
  public:
-  enum class IconType : uint32_t {
+  enum class IconType {
     NONE,
     UPGRADE_NOTIFICATION,
     GLOBAL_ERROR,
   };
-  enum class Severity : uint32_t {
+  enum class Severity {
     NONE,
     LOW,
     MEDIUM,

chrome/browser/ui/views/toolbar/browser_app_menu_button.cc

@@ -45,10 +45,7 @@
 bool BrowserAppMenuButton::g_open_app_immediately_for_testing = false;
 
 BrowserAppMenuButton::BrowserAppMenuButton(ToolbarView* toolbar_view)
-    : AppMenuButton(toolbar_view),
-      type_and_severity_{AppMenuIconController::IconType::NONE,
-                         AppMenuIconController::Severity::NONE},
-      toolbar_view_(toolbar_view) {
+    : AppMenuButton(toolbar_view), toolbar_view_(toolbar_view) {
   SetInkDropMode(InkDropMode::ON);
   SetFocusPainter(nullptr);
   SetHorizontalAlignment(gfx::ALIGN_CENTER);

chrome/browser/ui/views/toolbar/browser_app_menu_button.h

@@ -78,7 +78,9 @@ class BrowserAppMenuButton : public AppMenuButton,
   std::unique_ptr<views::InkDropHighlight> CreateInkDropHighlight()
       const override;
 
-  AppMenuIconController::TypeAndSeverity type_and_severity_;
+  AppMenuIconController::TypeAndSeverity type_and_severity_{
+      AppMenuIconController::IconType::NONE,
+      AppMenuIconController::Severity::NONE};
 
   // Our owning toolbar view.
   ToolbarView* const toolbar_view_;