[Extensions UI] Remove all traces of the chevron

chrome/browser/ui/toolbar/toolbar_actions_bar_unittest.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/ui/toolbar/toolbar_actions_bar_unittest.h"
 
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 206 matching lines @@
   EXPECT_EQ(3u, toolbar_actions_bar()->GetIconCount());
   // Check the widths. IconWidth(true) includes the spacing to the left of
   // each icon and |item_spacing| accounts for the spacing to the right
   // of the rightmost icon.
   int expected_width =
       3 * ToolbarActionsBar::IconWidth(true) + platform_settings.item_spacing;
   EXPECT_EQ(expected_width, toolbar_actions_bar()->GetPreferredSize().width());
   // Since all icons are showing, the current width should be the max width.
   int maximum_width = expected_width;
   EXPECT_EQ(maximum_width, toolbar_actions_bar()->GetMaximumWidth());
-  // The minimum width should be just enough for the chevron to be displayed
-  // along with left and right padding.
-  int minimum_width = 2 * platform_settings.item_spacing +
-                      toolbar_actions_bar()->delegate_for_test()->
-                          GetChevronWidth();
+  // The minimum width should be be non-zero (as long as there are any icons) so
+  // we can render the grippy to allow the user to drag to adjust the width.
+  int minimum_width = platform_settings.item_spacing;
   EXPECT_EQ(minimum_width, toolbar_actions_bar()->GetMinimumWidth());
 
   // Test the connection between the ToolbarActionsBar and the model by
   // adjusting the visible count.
   toolbar_model()->SetVisibleIconCount(2u);
   EXPECT_EQ(2u, toolbar_actions_bar()->GetIconCount());
 
-  // The current width should now be enough for two icons, and the chevron.
+  // The current width should now be enough for two icons.
   // IconWidth(true) includes the spacing to the left of each icon and
   // |item_spacing| accounts for the spacing to the right of the rightmost
   // icon.
   expected_width = 2 * ToolbarActionsBar::IconWidth(true) +
-                   platform_settings.item_spacing +
-                   toolbar_actions_bar()->delegate_for_test()->
-                       GetChevronWidth();
+                   platform_settings.item_spacing;
   EXPECT_EQ(expected_width, toolbar_actions_bar()->GetPreferredSize().width());
   // The maximum and minimum widths should have remained constant (since we have
   // the same number of actions).
   EXPECT_EQ(maximum_width, toolbar_actions_bar()->GetMaximumWidth());
   EXPECT_EQ(minimum_width, toolbar_actions_bar()->GetMinimumWidth());
 
   // Test drag-and-drop logic.
   const char kExtension0[] = "extension 0";
   const char kExtension1[] = "extension 1";
   const char kExtension2[] = "extension 2";
@@ skipping 338 matching lines @@
       extensions::extension_action_test_util::BROWSER_ACTION);
   toolbar_model()->SetVisibleIconCount(0u);
   {
     base::RunLoop run_loop;
     toolbar_actions_bar()->PopOutAction(action, true, run_loop.QuitClosure());
     run_loop.Run();
   }
   EXPECT_EQ(1u, toolbar_actions_bar()->GetIconCount());
   EXPECT_TRUE(toolbar_actions_bar()->NeedsOverflow());
 }