cocoa: don't draw focus rings over the URL scheme in the location bar

chrome/browser/ui/cocoa/location_bar/security_state_bubble_decoration.mm

Index: chrome/browser/ui/cocoa/location_bar/security_state_bubble_decoration.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/security_state_bubble_decoration.mm b/chrome/browser/ui/cocoa/location_bar/security_state_bubble_decoration.mm
index 14b40ac626da8b2c3809e79c530bbaca5b210288..2a8efd6d0a80757f4b46226debf7ec729781568f 100644
--- a/chrome/browser/ui/cocoa/location_bar/security_state_bubble_decoration.mm
+++ b/chrome/browser/ui/cocoa/location_bar/security_state_bubble_decoration.mm
@@ -151,6 +151,7 @@
   CGFloat text_left_offset = NSMinX(decoration_frame);
   CGFloat text_right_offset = NSMaxX(decoration_frame);
   const BOOL is_rtl = cocoa_l10n_util::ShouldDoExperimentalRTLLayout();
+  focus_ring_right_inset_ = 0;
   if (image_) {
     // The image should fade in if we're animating in.
     CGFloat image_alpha =
@@ -247,6 +248,12 @@
       divider_color = [divider_color colorWithAlphaComponent:divider_alpha];
       [divider_color set];
       [line stroke];
+
+      focus_ring_right_inset_ = DividerPadding() + line_width;
+    } else {
+      // When mouse-hovered, the divider isn't drawn, but the padding for it is
+      // still present to separate the button from the location bar text.
+      focus_ring_right_inset_ = DividerPadding();
     }
   }
 }
@@ -292,6 +299,12 @@
       stringWithFormat:@"%@. %@", full_label_.get(), tooltip_icon_text];
 }
 
+NSRect SecurityStateBubbleDecoration::GetRealFocusRingBounds(
+    NSRect bounds) const {
+  bounds.size.width -= focus_ring_right_inset_;
+  return bounds;
+}
+
 //////////////////////////////////////////////////////////////////
 // SecurityStateBubbleDecoration::BubbleDecoration: