Rename WindowTreeHost functions to indicate pixels/dips.

ash/display/unified_mouse_warp_controller_unittest.cc

Index: ash/display/unified_mouse_warp_controller_unittest.cc
diff --git a/ash/display/unified_mouse_warp_controller_unittest.cc b/ash/display/unified_mouse_warp_controller_unittest.cc
index 6aacdf74ac6a26789d2ea9874e38fd16272b1430..6cdc94ea87f774d72491d70b12ee62531c95930d 100644
--- a/ash/display/unified_mouse_warp_controller_unittest.cc
+++ b/ash/display/unified_mouse_warp_controller_unittest.cc
@@ -53,8 +53,7 @@ class UnifiedMouseWarpControllerTest : public test::AshTestBase {
                 ->window_tree_host_manager()
                 ->mirror_window_controller()
                 ->GetAshWindowTreeHostForDisplayId(info.id());
-        ash_host->AsWindowTreeHost()->ConvertPointFromHost(
-            point_in_unified_host);
+        ash_host->AsWindowTreeHost()->ConvertPixelsToDIP(point_in_unified_host);
         return true;
       }
     }
@@ -87,7 +86,7 @@ class UnifiedMouseWarpControllerTest : public test::AshTestBase {
     gfx::Point new_location_in_unified_host =
         aura::Env::GetInstance()->last_mouse_location();
     // Convert screen to the host.
-    root->GetHost()->ConvertPointToHost(&new_location_in_unified_host);
+    root->GetHost()->ConvertDIPToPixels(&new_location_in_unified_host);
 
     int new_index = display::FindDisplayIndexContainingPoint(
         display_manager()->software_mirroring_display_list(),