Rename WindowTreeHost functions to indicate pixels/dips.

ash/host/ash_window_tree_host_platform.cc

 // Copyright 2016 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_platform.h"
 
 #include <utility>
 
 #include "ash/host/root_window_transformer.h"
 #include "ash/host/transformer_helper.h"
@@ skipping 72 matching lines @@
 }
 
 gfx::Transform AshWindowTreeHostPlatform::GetRootTransform() const {
   return transformer_helper_.GetTransform();
 }
 
 gfx::Transform AshWindowTreeHostPlatform::GetInverseRootTransform() const {
   return transformer_helper_.GetInverseTransform();
 }
 
-void AshWindowTreeHostPlatform::UpdateRootWindowSize(
-    const gfx::Size& host_size) {
-  transformer_helper_.UpdateWindowSize(host_size);
+void AshWindowTreeHostPlatform::UpdateRootWindowSizeInPixel(
+    const gfx::Size& host_size_in_pixel) {
+  transformer_helper_.UpdateWindowSize(host_size_in_pixel);
 }
 
 void AshWindowTreeHostPlatform::OnCursorVisibilityChangedNative(bool show) {
   SetTapToClickPaused(!show);
 }
 
 void AshWindowTreeHostPlatform::SetBounds(const gfx::Rect& bounds) {
   WindowTreeHostPlatform::SetBounds(bounds);
   ConfineCursorToRootWindow();
 }
@@ skipping 19 matching lines @@
 #if defined(USE_OZONE)
   DCHECK(ui::OzonePlatform::GetInstance()->GetInputController());
 
   // Temporarily pause tap-to-click when the cursor is hidden.
   ui::OzonePlatform::GetInstance()->GetInputController()->SetTapToClickPaused(
       state);
 #endif
 }
 
 }  // namespace ash