Split out fullscreen logic from Browser into FullscreenController.

chrome/browser/ui/cocoa/browser_window_controller_unittest.mm

 // Copyright (c) 2011 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 "base/mac/mac_util.h"
 #include "base/memory/scoped_nsobject.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/sync/sync_ui_util.h"
@@ skipping 670 matching lines @@
 
 // Check if the window is front most or if one of its child windows (such
 // as a status bubble) is front most.
 static bool IsFrontWindow(NSWindow *window) {
   NSWindow* frontmostWindow = [[NSApp orderedWindows] objectAtIndex:0];
   return [frontmostWindow isEqual:window] ||
          [[frontmostWindow parentWindow] isEqual:window];
 }
 
 TEST_F(BrowserWindowFullScreenControllerTest, TestFullscreenNotLion) {
+  CreateBrowserWindow();
   EXPECT_FALSE([controller_ isFullscreen]);
   [controller_ enterFullscreenForURL:GURL()
                        bubbleType:FEB_TYPE_BROWSER_FULLSCREEN_EXIT_INSTRUCTION];
   EXPECT_TRUE([controller_ isFullscreen]);
   [controller_ exitFullscreen];
   EXPECT_FALSE([controller_ isFullscreen]);
 }
 
 // If this test fails, it is usually a sign that the bots have some sort of
 // problem (such as a modal dialog up).  This tests is a very useful canary, so
 // please do not mark it as flaky without first verifying that there are no bot
 // problems.
 TEST_F(BrowserWindowFullScreenControllerTest, TestActivateNotLion) {
+  CreateBrowserWindow();
   EXPECT_FALSE([controller_ isFullscreen]);
 
   [controller_ activate];
   EXPECT_TRUE(IsFrontWindow([controller_ window]));
 
   [controller_ enterFullscreenForURL:GURL()
                        bubbleType:FEB_TYPE_BROWSER_FULLSCREEN_EXIT_INSTRUCTION];
   [controller_ activate];
   EXPECT_TRUE(IsFrontWindow([controller_ createFullscreenWindow]));
 
@@ skipping 14 matching lines @@
   testFullscreenWindow_.reset(
       [[NSWindow alloc] initWithContentRect:NSMakeRect(0,0,400,400)
                                   styleMask:NSBorderlessWindowMask
                                     backing:NSBackingStoreBuffered
                                       defer:NO]);
   return testFullscreenWindow_.get();
 }
 @end
 
 /* TODO(???): test other methods of BrowserWindowController */