[MD] Implement incognito colors as a NativeTheme (for Aura).

chrome/browser/ui/views/location_bar/location_bar_view.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_VIEWS_LOCATION_BAR_LOCATION_BAR_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_LOCATION_BAR_VIEW_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 100 matching lines @@
 
    protected:
     virtual ~Delegate() {}
   };
 
   enum ColorKind {
     BACKGROUND = 0,
     TEXT,
     SELECTED_TEXT,
     DEEMPHASIZED_TEXT,
-    SECURITY_TEXT,
   };
 
   LocationBarView(Browser* browser,
                   Profile* profile,
                   CommandUpdater* command_updater,
                   Delegate* delegate,
                   bool is_popup_mode);
 
   ~LocationBarView() override;
 
   // Initializes the LocationBarView.
   void Init();
 
   // True if this instance has been initialized by calling Init, which can only
   // be called when the receiving instance is attached to a view container.
   bool IsInitialized() const;
 
   // Returns the appropriate color for the desired kind, based on the user's
   // system theme.
-  SkColor GetColor(SecurityStateModel::SecurityLevel security_level,
-                   ColorKind kind) const;
+  SkColor GetColor(ColorKind kind) const;
+
+  // Returns the color to be used for security text in the context of
+  // |security_level|.
+  SkColor GetSecureTextColor(
+      SecurityStateModel::SecurityLevel security_level) const;
 
   // Returns the delegate.
   Delegate* delegate() const { return delegate_; }
 
   // See comment in browser_window.h for more info.
   void ZoomChangedForActiveTab(bool can_show_bubble);
 
   // The zoom icon. It may not be visible.
   ZoomView* zoom_view() { return zoom_view_; }
 
@@ skipping 87 matching lines @@
   // LocationBar:
   void FocusLocation(bool select_all) override;
   void Revert() override;
   OmniboxView* GetOmniboxView() override;
 
   // views::View:
   bool HasFocus() const override;
   void GetAccessibleState(ui::AXViewState* state) override;
   gfx::Size GetPreferredSize() const override;
   void Layout() override;
+  void OnNativeThemeChanged(const ui::NativeTheme* theme) override;
 
   // ChromeOmniboxEditController:
   void UpdateWithoutTabRestore() override;
   void ShowURL() override;
   ToolbarModel* GetToolbarModel() override;
   content::WebContents* GetWebContents() override;
 
   // ZoomEventManagerObserver:
   // Updates the view for the zoom icon when default zoom levels change.
   void OnDefaultZoomLevelChanged() override;
@@ skipping 219 matching lines @@
   int dropdown_animation_offset_;
 
   // This is a debug state variable that stores if the WebContents was null
   // during the last RefreshPageAction.
   bool web_contents_null_at_last_refresh_;
 
   DISALLOW_COPY_AND_ASSIGN(LocationBarView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_LOCATION_BAR_VIEW_H_