Rename WindowTreeHost functions to indicate pixels/dips.

ash/host/ash_window_tree_host_x11.cc

 // Copyright 2014 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 "ash/host/ash_window_tree_host_x11.h"
 
 #include <X11/extensions/Xfixes.h>
 #include <X11/extensions/XInput2.h>
 #include <X11/Xatom.h>
 #include <X11/Xlib.h>
@@ skipping 123 matching lines @@
 }
 
 void AshWindowTreeHostX11::SetRootTransform(const gfx::Transform& transform) {
   transformer_helper_.SetTransform(transform);
 }
 
 gfx::Transform AshWindowTreeHostX11::GetInverseRootTransform() const {
   return transformer_helper_.GetInverseTransform();
 }
 
-void AshWindowTreeHostX11::UpdateRootWindowSize(const gfx::Size& host_size) {
-  transformer_helper_.UpdateWindowSize(host_size);
+void AshWindowTreeHostX11::UpdateRootWindowSizeInPixels(
+    const gfx::Size& host_size_in_pixels) {
+  transformer_helper_.UpdateWindowSize(host_size_in_pixels);
 }
 
 void AshWindowTreeHostX11::OnCursorVisibilityChangedNative(bool show) {
 #if defined(OS_CHROMEOS)
   SetCrOSTapPaused(!show);
 #endif
 }
 
 void AshWindowTreeHostX11::OnWindowInitialized(aura::Window* window) {}
 
@@ skipping 94 matching lines @@
         continue;
       XFree(data);
       XIChangeProperty(xdisplay(), dev_list[i].deviceid, prop, XA_INTEGER, 8,
                        PropModeReplace, &value, 1);
     }
   }
 }
 #endif  // defined(OS_CHROMEOS)
 
 }  // namespace ash