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

ui/aura/window_tree_host_platform.cc

Index: ui/aura/window_tree_host_platform.cc
diff --git a/ui/aura/window_tree_host_platform.cc b/ui/aura/window_tree_host_platform.cc
index e9ecea9e09107c32dfead631de76b8a907a9332d..45175cec55c0bbfc964d71856c323d0ed4f48984 100644
--- a/ui/aura/window_tree_host_platform.cc
+++ b/ui/aura/window_tree_host_platform.cc
@@ -90,11 +90,11 @@ void WindowTreeHostPlatform::HideImpl() {
   window_->Hide();
 }
 
-gfx::Rect WindowTreeHostPlatform::GetBounds() const {
+gfx::Rect WindowTreeHostPlatform::GetBoundsInPixel() const {
   return window_ ? window_->GetBounds() : gfx::Rect();
 }
 
-void WindowTreeHostPlatform::SetBounds(const gfx::Rect& bounds) {
+void WindowTreeHostPlatform::SetBoundsInPixel(const gfx::Rect& bounds) {
   window_->SetBounds(bounds);
 }