Gtk3: Add themable location bar border color

chrome/browser/themes/theme_properties.h

 // Copyright (c) 2013 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_THEMES_THEME_PROPERTIES_H_
 #define CHROME_BROWSER_THEMES_THEME_PROPERTIES_H_
 
 #include <set>
 #include <string>
 
@@ skipping 71 matching lines @@
 
     // The color of the line separating the bottom of the toolbar from the
     // contents.
     COLOR_TOOLBAR_BOTTOM_SEPARATOR,
 
     // The color of a normal toolbar button's icon.
     COLOR_TOOLBAR_BUTTON_ICON,
     // The color of a disabled toolbar button's icon.
     COLOR_TOOLBAR_BUTTON_ICON_INACTIVE,
 
+    // The color of the border drawn around the location bar.
+    COLOR_TOOLBAR_ENTRY_BORDER,

[Evan Stade, 2017/02/08 16:31:12]

this name seems gtk-inspired rather than chrome inspired.

[Tom (Use chromium acct), 2017/02/08 21:20:25]

you are correct :)
I renamed it to COLOR_LOCATION_BAR_BORDER

+
     // The color of the line separating the top of the toolbar from the region
     // above. For a tabbed browser window, this is the line along the bottom
     // edge of the tabstrip, the stroke around the tabs, and the new tab button
     // stroke/shadow color.
     COLOR_TOOLBAR_TOP_SEPARATOR,
     COLOR_TOOLBAR_TOP_SEPARATOR_INACTIVE,
 
     // Colors of vertical separators, such as on the bookmark bar or on the DL
     // shelf.
     COLOR_TOOLBAR_VERTICAL_SEPARATOR,
@@ skipping 72 matching lines @@
 
   // Returns the default color for the given color |id| COLOR_* enum value.
   // Returns gfx::kPlaceholderColor if |id| is invalid.
   static SkColor GetDefaultColor(int id, bool otr);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(ThemeProperties);
 };
 
 #endif  // CHROME_BROWSER_THEMES_THEME_PROPERTIES_H_