Mac: Clicking an omnibox decoration should not highlight the omnibox.

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

Index: chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.mm
diff --git a/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.mm b/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.mm
index 6c25cc82855b4c1f9dfe9e570a413e9aaf04c648..69cae79dbf4b932bb632100a809480bfcd285c5d 100644
--- a/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.mm
+++ b/chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.mm
@@ -5,6 +5,7 @@
 #import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field.h"
 
 #include "base/logging.h"
+#include "base/mac/foundation_util.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_cell.h"
 #import "chrome/browser/ui/cocoa/location_bar/autocomplete_text_field_editor.h"
@@ -150,6 +151,12 @@ const CGFloat kAnimationDuration = 0.2;
   // Give the cell a chance to intercept clicks in page-actions and
   // other decorative items.
   if ([cell mouseDown:theEvent inRect:bounds ofView:self]) {
+    // If a decoration intercepted the click, then the text field should resign
+    // first responder.
+    NSView* firstResponder =
+        base::mac::ObjCCast<NSView>([[self window] firstResponder]);
+    if ([firstResponder isDescendantOf:self])
+      [[self window] makeFirstResponder:nil];
     return;
   }
 
@@ -392,6 +399,17 @@ const CGFloat kAnimationDuration = 0.2;
     DCHECK_EQ([self currentEditor], [[self window] firstResponder]);
     return NO;
   }
+
+  // If the event is a left-mouse click, and it lands on a decoration, then the
+  // event should not cause the text field to become first responder.
+  NSEvent* event = [NSApp currentEvent];
+  if ([event type] == NSLeftMouseDown) {
+    LocationBarDecoration* decoration =
+        [[self cell] decorationForEvent:event inRect:[self bounds] ofView:self];
+    if (decoration && decoration->AcceptsMousePress())
+      return NO;
+  }
+
   return [super acceptsFirstResponder];
 }