Rename WindowTreeHost G|SetBounds to indicate they are in pixels.

ash/host/ash_window_tree_host_unified.cc

Index: ash/host/ash_window_tree_host_unified.cc
diff --git a/ash/host/ash_window_tree_host_unified.cc b/ash/host/ash_window_tree_host_unified.cc
index 550a13d6098a5b9f8e18eeb0550408d8db1f5e2d..363c76b05f95f77b96754d2e8bb6fdc93465c13f 100644
--- a/ash/host/ash_window_tree_host_unified.cc
+++ b/ash/host/ash_window_tree_host_unified.cc
@@ -78,8 +78,8 @@ void AshWindowTreeHostUnified::RegisterMirroringHost(
   mirroring_ash_host->AsWindowTreeHost()->window()->AddObserver(this);
 }
 
-void AshWindowTreeHostUnified::SetBounds(const gfx::Rect& bounds) {
-  AshWindowTreeHostPlatform::SetBounds(bounds);
+void AshWindowTreeHostUnified::SetBoundsInPixels(const gfx::Rect& bounds) {
+  AshWindowTreeHostPlatform::SetBoundsInPixels(bounds);
   OnHostResized(bounds.size());
 }