Rename RootWindowHost* to WindowTreeHost*

chrome/browser/ui/views/omnibox/omnibox_view_views_browsertest.cc

Index: chrome/browser/ui/views/omnibox/omnibox_view_views_browsertest.cc
diff --git a/chrome/browser/ui/views/omnibox/omnibox_view_views_browsertest.cc b/chrome/browser/ui/views/omnibox/omnibox_view_views_browsertest.cc
index f30672e8f54db9184741780606d098f17529963a..d0da6f68721f0dc259242d98fdeadcf0436fd475 100644
--- a/chrome/browser/ui/views/omnibox/omnibox_view_views_browsertest.cc
+++ b/chrome/browser/ui/views/omnibox/omnibox_view_views_browsertest.cc
@@ -66,9 +66,9 @@ class OmniboxViewViewsTest : public InProcessBrowserTest {
 #if defined(USE_AURA)
   // Tap the center of the browser window.
   void TapBrowserWindowCenter() {
-    aura::RootWindowHostDelegate* rwhd =
+    aura::WindowTreeHostDelegate* rwhd =
         browser()->window()->GetNativeWindow()->GetRootWindow()->
-        GetDispatcher()->AsRootWindowHostDelegate();
+        GetDispatcher()->AsWindowTreeHostDelegate();
 
     gfx::Point center = BrowserView::GetBrowserViewForBrowser(
         browser())->GetBoundsInScreen().CenterPoint();
@@ -84,9 +84,9 @@ class OmniboxViewViewsTest : public InProcessBrowserTest {
   // Touch down and release at the specified locations.
   void Tap(const gfx::Point& press_location,
            const gfx::Point& release_location) {
-    aura::RootWindowHostDelegate* rwhd =
+    aura::WindowTreeHostDelegate* rwhd =
         browser()->window()->GetNativeWindow()->GetRootWindow()->
-        GetDispatcher()->AsRootWindowHostDelegate();
+        GetDispatcher()->AsWindowTreeHostDelegate();
 
     ui::TouchEvent press(ui::ET_TOUCH_PRESSED, press_location,
                          5, base::TimeDelta::FromMilliseconds(0));