Remove some more !IsModeMaterial code.

chrome/browser/ui/views/tabs/tab.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_TABS_TAB_H_
 #define CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_
 
 #include <list>
 #include <memory>
 #include <string>
@@ skipping 208 matching lines @@
   // ui::EventHandler:
   void OnGestureEvent(ui::GestureEvent* event) override;
 
   // Invoked from Layout to adjust the position of the favicon or alert
   // indicator for pinned tabs.
   void MaybeAdjustLeftForPinnedTab(gfx::Rect* bounds) const;
 
   // Invoked from SetData after |data_| has been updated to the new data.
   void DataChanged(const TabRendererData& old);
 
-  // Paint with the normal tab style.  If |clip| is non-empty, the tab border
+  // Paints with the normal tab style.  If |clip| is non-empty, the tab border
   // should be clipped against it.
   void PaintTab(gfx::Canvas* canvas, const gfx::Path& clip);
 
-  // Paint with the "immersive mode" light-bar style.
+  // Paints with the "immersive mode" light-bar style.
   void PaintImmersiveTab(gfx::Canvas* canvas);
 
-  // Paint various portions of the Tab.
+  // Paints the background of an inactive tab.
   void PaintInactiveTabBackground(gfx::Canvas* canvas, const gfx::Path& clip);
+
+  // Paints a tab background using the image defined by |fill_id| at the
+  // provided offset. If |fill_id| is 0, it will fall back to using the solid
+  // color defined by the theme provider and ignore the offset.
   void PaintTabBackgroundUsingFillId(gfx::Canvas* fill_canvas,
                                      gfx::Canvas* stroke_canvas,
                                      bool is_active,
                                      int fill_id,
-                                     bool has_custom_image,
                                      int y_offset);
 
   // Paints the pinned tab title changed indicator and |favicon_|. |favicon_|
   // may be null. |favicon_draw_bounds| is |favicon_bounds_| adjusted for rtl
   // and clipped to the bounds of the tab.
   void PaintPinnedTabTitleChangedIndicatorAndIcon(
       gfx::Canvas* canvas,
       const gfx::Rect& favicon_draw_bounds);
 
   // Paints the favicon, mirrored for RTL if needed.
@@ skipping 106 matching lines @@
 
   // The favicon for the tab. This might be the sad tab icon or a copy of
   // data().favicon and may be modified for theming. It is created on demand
   // and thus may be null.
   gfx::ImageSkia favicon_;
 
   DISALLOW_COPY_AND_ASSIGN(Tab);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_TABS_TAB_H_