Add (some) password detection for HTTP-bad

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

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #import "base/mac/mac_util.h"
 #include "base/stl_util.h"
@@ skipping 702 matching lines @@
   bool in_dark_mode = IsLocationBarDark();
   if (in_dark_mode)
     return kMaterialDarkVectorIconColor;
 
   if (ShouldShowEVBubble())
     return gfx::kGoogleGreen700;
 
   security_state::SecurityStateModel::SecurityLevel security_level =
       GetToolbarModel()->GetSecurityLevel(false);
 
-  if (security_level == security_state::SecurityStateModel::NONE)
+  if (security_level == security_state::SecurityStateModel::NONE ||
+      security_level == security_state::SecurityStateModel::HTTP_SHOW_WARNING) {
     return gfx::kChromeIconGrey;
+  }
 
   NSColor* srgb_color =
       OmniboxViewMac::GetSecureTextColor(security_level, in_dark_mode);
   NSColor* device_color =
       [srgb_color colorUsingColorSpace:[NSColorSpace deviceRGBColorSpace]];
   return skia::NSDeviceColorToSkColor(device_color);
 }
 
 void LocationBarViewMac::PostNotification(NSString* notification) {
   [[NSNotificationCenter defaultCenter] postNotificationName:notification
@@ skipping 194 matching lines @@
     OnDecorationsChanged();
 }
 
 std::vector<NSView*> LocationBarViewMac::GetDecorationAccessibilityViews() {
   std::vector<LocationBarDecoration*> decorations = GetDecorations();
   std::vector<NSView*> views;
   for (auto* decoration : decorations)
     views.push_back(decoration->GetAccessibilityView());
   return views;
 }