Refactor BrowserWindow fullscreen and presentation on Mac to be consistent with other platforms.

chrome/test/base/test_browser_window.cc

Index: chrome/test/base/test_browser_window.cc
diff --git a/chrome/test/base/test_browser_window.cc b/chrome/test/base/test_browser_window.cc
index 0879ea081279c80ac33b109a2c687ff7ea59f167..3a90f6b2dcbae6404aea07d5a6bae10847d5384c 100644
--- a/chrome/test/base/test_browser_window.cc
+++ b/chrome/test/base/test_browser_window.cc
@@ -111,7 +111,11 @@ int TestBrowserWindow::GetExtraRenderViewHeight() const {
 }
 
 #if defined(OS_MACOSX)
-bool TestBrowserWindow::InPresentationMode() {
+bool TestBrowserWindow::IsFullscreenWithChrome() {
+  return false;
+}
+
+bool TestBrowserWindow::IsFullscreenWithoutChrome() {
   return false;
 }
 #endif