Show scheme in black and content in gray for data: protocol urls

chrome/browser/ui/cocoa/omnibox/omnibox_view_mac.h

 // Copyright (c) 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.
 
 #ifndef CHROME_BROWSER_UI_COCOA_OMNIBOX_OMNIBOX_VIEW_MAC_H_
 #define CHROME_BROWSER_UI_COCOA_OMNIBOX_OMNIBOX_VIEW_MAC_H_
 
 #import <Cocoa/Cocoa.h>
 #include <stddef.h>
 
@@ skipping 14 matching lines @@
 namespace content {
 class WebContents;
 }
 
 // Implements OmniboxView on an AutocompleteTextField.
 class OmniboxViewMac : public OmniboxView,
                        public AutocompleteTextFieldObserver {
  public:
   static SkColor BaseTextColorSkia(bool in_dark_mode);
   static NSColor* BaseTextColor(bool in_dark_mode);
+  // Returns a color representing |security_level|, adjusted based on whether
+  // the browser is in Incognito mode.
   static NSColor* GetSecureTextColor(
       security_state::SecurityLevel security_level,
       bool in_dark_mode);
 
   OmniboxViewMac(OmniboxEditController* controller,
                  Profile* profile,
                  CommandUpdater* command_updater,
                  AutocompleteTextField* field);
   ~OmniboxViewMac() override;
 
@@ skipping 128 matching lines @@
 
   // Pass the current content of |field_| to SetText(), maintaining
   // any selection.  Named to be consistent with GTK and Windows,
   // though here we cannot really do the in-place operation they do.
   void EmphasizeURLComponents() override;
 
   // Apply our font and paragraph style to |attributedString|.
   void ApplyTextStyle(NSMutableAttributedString* attributedString);
 
   // Calculates text attributes according to |display_text| and applies them
-  // to the given |attributedString| object.
+  // to the given |attributed_string| object.
   void ApplyTextAttributes(const base::string16& display_text,
-                           NSMutableAttributedString* attributedString);
+                           NSMutableAttributedString* attributed_string);
+
+  // OmniboxView:
+  void SetEmphasis(bool emphasize, const gfx::Range& range) override;
+  void UpdateSchemeStyle(const gfx::Range& scheme_range) override;
 
   // Return the number of UTF-16 units in the current buffer, excluding the
   // suggested text.
   int GetOmniboxTextLength() const override;
   NSUInteger GetTextLength() const;
 
   // Returns true if the caret is at the end of the content.
   bool IsCaretAtEnd() const;
 
   // Announce that an inline autocomplete is available for screenreaders.
@@ skipping 28 matching lines @@
   bool do_coalesced_range_update_;
   NSRange coalesced_range_update_;
 
   // The time of the first character insert operation that has not yet been
   // painted. Used to measure omnibox responsiveness with a histogram.
   base::TimeTicks insert_char_time_;
 
   // The time when OnBeforeDrawRect() was called.
   base::TimeTicks draw_rect_start_time_;
 
+  // Temporary pointer to the attributed display string, stored as color and
+  // other emphasis attributes are applied by the superclass.
+  NSMutableAttributedString* attributing_display_string_;  // weak
+
   DISALLOW_COPY_AND_ASSIGN(OmniboxViewMac);
 };
 
 #endif  // CHROME_BROWSER_UI_COCOA_OMNIBOX_OMNIBOX_VIEW_MAC_H_