mac, yosemite: Resize button causes fullscreen effect.

chrome/browser/ui/cocoa/browser_window_controller_browsertest.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 
 #import "base/mac/mac_util.h"
 #include "base/mac/sdk_forward_declarations.h"
 #include "base/run_loop.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 13 matching lines @@
 #import "chrome/browser/ui/cocoa/browser_window_controller_private.h"
 #import "chrome/browser/ui/cocoa/fast_resize_view.h"
 #import "chrome/browser/ui/cocoa/history_overlay_controller.h"
 #import "chrome/browser/ui/cocoa/infobars/infobar_cocoa.h"
 #import "chrome/browser/ui/cocoa/infobars/infobar_container_controller.h"
 #import "chrome/browser/ui/cocoa/infobars/infobar_controller.h"
 #import "chrome/browser/ui/cocoa/location_bar/location_bar_view_mac.h"
 #import "chrome/browser/ui/cocoa/nsview_additions.h"
 #import "chrome/browser/ui/cocoa/profiles/avatar_base_controller.h"
 #import "chrome/browser/ui/cocoa/tab_contents/overlayable_contents_controller.h"
+#import "chrome/browser/ui/cocoa/tabs/tab_strip_view.h"
 #include "chrome/browser/ui/extensions/application_launch.h"
 #include "chrome/browser/ui/find_bar/find_bar_controller.h"
 #include "chrome/browser/ui/find_bar/find_bar.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/testing_profile.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/test/test_utils.h"
 #import "testing/gtest_mac.h"
 #include "ui/gfx/animation/slide_animation.h"
@@ skipping 162 matching lines @@
     LocationBarViewMac* location_bar_view = [controller() locationBarBridge];
     NSPoint icon_bottom = location_bar_view->GetPageInfoBubblePoint();
 
     NSPoint info_bar_top = NSMakePoint(0,
         NSHeight([info_bar_container_controller view].frame) -
         overlapping_tip_height);
     info_bar_top = [[info_bar_container_controller view]
         convertPoint:info_bar_top toView:nil];
     return icon_bottom.y - info_bar_top.y;
   }
+  // The traffic lights should always be in front of the content view and the
+  // tab strip view. Since the traffic lights change across OSX versions, this
+  // test verifies that the contentView is in the back, and if the tab strip
+  // view is a sibling, it is directly in front of the content view.
+  void VerifyTrafficLightZOrder() const {
+    NSView* contentView = [[controller() window] contentView];
+    NSView* rootView = [contentView superview];
+    EXPECT_EQ(contentView, [[rootView subviews] objectAtIndex:0]);
+
+    NSView* tabStripView = [controller() tabStripView];
+    if ([[rootView subviews] containsObject:tabStripView])
+      EXPECT_EQ(tabStripView, [[rootView subviews] objectAtIndex:1]);
+  }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BrowserWindowControllerTest);
 };
 
 // Tests that adding the first profile moves the Lion fullscreen button over
 // correctly.
 // DISABLED_ because it regularly times out: http://crbug.com/159002.
 IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest,
                        DISABLED_ProfileAvatarFullscreenButton) {
@@ skipping 229 matching lines @@
   EXPECT_TRUE([controller() isBookmarkBarVisible]);
   EXPECT_EQ(std::min(GetExpectedTopInfoBarTipHeight(), max_tip_height),
             [[controller() infoBarContainerController] overlappingTipHeight]);
 
   chrome::ExecuteCommand(browser(), IDC_SHOW_BOOKMARK_BAR);
   WaitForBookmarkBarAnimationToFinish();
   EXPECT_FALSE([controller() isBookmarkBarVisible]);
   EXPECT_EQ(std::min(GetExpectedTopInfoBarTipHeight(), max_tip_height),
             [[controller() infoBarContainerController] overlappingTipHeight]);
 }
+
+IN_PROC_BROWSER_TEST_F(BrowserWindowControllerTest, TrafficLightZOrder) {
+  // Verify z order immediately after creation.
+  VerifyTrafficLightZOrder();
+
+  // Toggle overlay, then verify z order.
+  [controller() showOverlay];
+  [controller() removeOverlay];
+  VerifyTrafficLightZOrder();
+
+  // Toggle immersive fullscreen, then verify z order.
+  [controller() enterImmersiveFullscreen];
+  [controller() exitImmersiveFullscreen];
+  VerifyTrafficLightZOrder();
+}