Get rid of some lingering MD-specific raster assets.

chrome/browser/ui/toolbar/browser_actions_bar_browsertest.cc

Index: chrome/browser/ui/toolbar/browser_actions_bar_browsertest.cc
diff --git a/chrome/browser/ui/toolbar/browser_actions_bar_browsertest.cc b/chrome/browser/ui/toolbar/browser_actions_bar_browsertest.cc
index e4d6fc7752ac763981c93f479161c380dda9598b..7a6200c3cc93e978d81bd253423961b6c1151afa 100644
--- a/chrome/browser/ui/toolbar/browser_actions_bar_browsertest.cc
+++ b/chrome/browser/ui/toolbar/browser_actions_bar_browsertest.cc
@@ -257,35 +257,14 @@ IN_PROC_BROWSER_TEST_F(BrowserActionsBarBrowserTest, Visibility) {
   EXPECT_EQ(extension_a()->id(), browser_actions_bar()->GetExtensionId(0));
 
   // Shrink the browser actions bar to zero visible icons.
-  // No icons should be visible, but we *should* show the chevron and have a
-  // non-empty size.
   toolbar_model()->SetVisibleIconCount(0);
   EXPECT_EQ(0, browser_actions_bar()->VisibleBrowserActions());
-  EXPECT_TRUE(browser_actions_bar()->IsChevronShowing());
 
-  // Reset visibility count to 2. State should be A, B, [C], and the chevron
-  // should be visible.
+  // Reset visibility count to 2. State should be A, B, [C].
   toolbar_model()->SetVisibleIconCount(2);
   EXPECT_EQ(2, browser_actions_bar()->VisibleBrowserActions());
   EXPECT_EQ(extension_a()->id(), browser_actions_bar()->GetExtensionId(0));
   EXPECT_EQ(extension_b()->id(), browser_actions_bar()->GetExtensionId(1));
-  EXPECT_TRUE(browser_actions_bar()->IsChevronShowing());
-
-  // Disable C (the overflowed extension). State should now be A, B, and the
-  // chevron should be hidden.
-  DisableExtension(extension_c()->id());
-  EXPECT_EQ(2, browser_actions_bar()->VisibleBrowserActions());
-  EXPECT_EQ(extension_a()->id(), browser_actions_bar()->GetExtensionId(0));
-  EXPECT_EQ(extension_b()->id(), browser_actions_bar()->GetExtensionId(1));
-  EXPECT_FALSE(browser_actions_bar()->IsChevronShowing());

[Devlin, 2016/05/11 00:01:02]

Instead of removing these pieces, can you do:
ToolbarActionsBar* toolbar_actions_bar =
    browser_actions_bar()->GetToolbarActionsBar();
and replace instances of 
browser_actions_bar()->IsChevronShowing()
with
toolbar_actions_bar->NeedsOverflow()
?

Do the tests pass with that?

[Evan Stade, 2016/05/11 21:05:35]

yes

-
-  // Re-enable C. We should still only have 2 visible icons, and the chevron
-  // should be visible.
-  EnableExtension(extension_c()->id());
-  EXPECT_EQ(2, browser_actions_bar()->VisibleBrowserActions());
-  EXPECT_EQ(extension_a()->id(), browser_actions_bar()->GetExtensionId(0));
-  EXPECT_EQ(extension_b()->id(), browser_actions_bar()->GetExtensionId(1));
-  EXPECT_TRUE(browser_actions_bar()->IsChevronShowing());
 }
 
 // Test that, with the toolbar action redesign, actions that want to run have