Revert of [Mac] Fix rough-looking profile picker text, especially with a dark theme.

chrome/browser/ui/cocoa/browser_window_controller_unittest.mm

Index: chrome/browser/ui/cocoa/browser_window_controller_unittest.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_controller_unittest.mm b/chrome/browser/ui/cocoa/browser_window_controller_unittest.mm
index a28a7fbfe34dc7569ae05e20c41ec7aab98c26f6..a22fc4592ab9056e00f00efbdfbbd79ad5508fe3 100644
--- a/chrome/browser/ui/cocoa/browser_window_controller_unittest.mm
+++ b/chrome/browser/ui/cocoa/browser_window_controller_unittest.mm
@@ -700,6 +700,25 @@
   EXPECT_TRUE([[contentView hitTest:point] isDescendantOf:bookmarkView]);
 }
 
+// Check that when the window becomes/resigns main, the tab strip's background
+// view is redrawn.
+TEST_F(BrowserWindowControllerTest, TabStripBackgroundViewRedrawTest) {
+  NSView* view = controller_.tabStripBackgroundView;
+  id partial_mock = [OCMockObject partialMockForObject:view];
+
+  [[partial_mock expect] setNeedsDisplay:YES];
+  [[NSNotificationCenter defaultCenter]
+      postNotificationName:NSWindowDidBecomeMainNotification
+                    object:controller_.window];
+  [partial_mock verify];
+
+  [[partial_mock expect] setNeedsDisplay:YES];
+  [[NSNotificationCenter defaultCenter]
+      postNotificationName:NSWindowDidResignMainNotification
+                    object:controller_.window];
+  [partial_mock verify];
+}
+
 @interface BrowserWindowControllerFakeFullscreen : BrowserWindowController {
  @private
   // We release the window ourselves, so we don't have to rely on the unittest