Rename RootWindowHost* to WindowTreeHost*

content/browser/web_contents/web_contents_view_aura_browsertest.cc

Index: content/browser/web_contents/web_contents_view_aura_browsertest.cc
diff --git a/content/browser/web_contents/web_contents_view_aura_browsertest.cc b/content/browser/web_contents/web_contents_view_aura_browsertest.cc
index 687ce57606f104c9d79885bb55278902cbea59d7..446e078ee7ea1ab74ba0cbbd701d0771e30fc20a 100644
--- a/content/browser/web_contents/web_contents_view_aura_browsertest.cc
+++ b/content/browser/web_contents/web_contents_view_aura_browsertest.cc
@@ -335,14 +335,14 @@ IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
   ui::TouchEvent press(ui::ET_TOUCH_PRESSED,
       gfx::Point(bounds.x() + bounds.width() / 2, bounds.y() + 5),
       0, timestamp);
-  dispatcher->AsRootWindowHostDelegate()->OnHostTouchEvent(&press);
+  dispatcher->AsWindowTreeHostDelegate()->OnHostTouchEvent(&press);
   EXPECT_EQ(1, GetCurrentIndex());
 
   timestamp += base::TimeDelta::FromMilliseconds(10);
   ui::TouchEvent move1(ui::ET_TOUCH_MOVED,
       gfx::Point(bounds.right() - 10, bounds.y() + 5),
       0, timestamp);
-  dispatcher->AsRootWindowHostDelegate()->OnHostTouchEvent(&move1);
+  dispatcher->AsWindowTreeHostDelegate()->OnHostTouchEvent(&move1);
   EXPECT_EQ(1, GetCurrentIndex());
 
   // Swipe back from the right edge, back to the left edge, back to the right
@@ -353,7 +353,7 @@ IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
     ui::TouchEvent inc(ui::ET_TOUCH_MOVED,
         gfx::Point(x, bounds.y() + 5),
         0, timestamp);
-    dispatcher->AsRootWindowHostDelegate()->OnHostTouchEvent(&inc);
+    dispatcher->AsWindowTreeHostDelegate()->OnHostTouchEvent(&inc);
     EXPECT_EQ(1, GetCurrentIndex());
   }
 
@@ -362,7 +362,7 @@ IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
     ui::TouchEvent inc(ui::ET_TOUCH_MOVED,
         gfx::Point(x, bounds.y() + 5),
         0, timestamp);
-    dispatcher->AsRootWindowHostDelegate()->OnHostTouchEvent(&inc);
+    dispatcher->AsWindowTreeHostDelegate()->OnHostTouchEvent(&inc);
     EXPECT_EQ(1, GetCurrentIndex());
   }
 
@@ -371,7 +371,7 @@ IN_PROC_BROWSER_TEST_F(WebContentsViewAuraTest,
     ui::TouchEvent inc(ui::ET_TOUCH_MOVED,
         gfx::Point(x, bounds.y() + 5),
         0, timestamp);
-    dispatcher->AsRootWindowHostDelegate()->OnHostTouchEvent(&inc);
+    dispatcher->AsWindowTreeHostDelegate()->OnHostTouchEvent(&inc);
     EXPECT_EQ(1, GetCurrentIndex());
   }