Change 'const' -> 'constexpr' in cocoa/passwords.

chrome/browser/ui/cocoa/passwords/passwords_bubble_utils.h

Index: chrome/browser/ui/cocoa/passwords/passwords_bubble_utils.h
diff --git a/chrome/browser/ui/cocoa/passwords/passwords_bubble_utils.h b/chrome/browser/ui/cocoa/passwords/passwords_bubble_utils.h
index fd6243a20375c8b458cf1a48db7bda5eada4c982..85aba50ec86b5b330648ccfd04948a11d0bcd96e 100644
--- a/chrome/browser/ui/cocoa/passwords/passwords_bubble_utils.h
+++ b/chrome/browser/ui/cocoa/passwords/passwords_bubble_utils.h
@@ -15,15 +15,15 @@
 
 @class HyperlinkTextView;
 
-const CGFloat kDesiredBubbleWidth = 370;
-const CGFloat kFramePadding = 16;
-const CGFloat kDesiredRowWidth = kDesiredBubbleWidth - 2 * kFramePadding;
-const CGFloat kItemLabelSpacing = 10;
-const CGFloat kRelatedControlHorizontalPadding = 2;
-const CGFloat kRelatedControlVerticalSpacing = 8;
-const CGFloat kTitleTextInset = 2;
-const CGFloat kUnrelatedControlVerticalPadding = 15;
-const CGFloat kVerticalAvatarMargin = 8;
+constexpr CGFloat kDesiredBubbleWidth = 370;
+constexpr CGFloat kFramePadding = 16;
+constexpr CGFloat kDesiredRowWidth = kDesiredBubbleWidth - 2 * kFramePadding;
+constexpr CGFloat kItemLabelSpacing = 10;
+constexpr CGFloat kRelatedControlHorizontalPadding = 2;
+constexpr CGFloat kRelatedControlVerticalSpacing = 8;
+constexpr CGFloat kTitleTextInset = 2;
+constexpr CGFloat kUnrelatedControlVerticalPadding = 15;
+constexpr CGFloat kVerticalAvatarMargin = 8;
 
 // Returns a font for password bubbles.
 NSFont* LabelFont();