Move DIP translation from ui/aura to ui/compositor

ash/wm/image_grid.cc

Index: ash/wm/image_grid.cc
diff --git a/ash/wm/image_grid.cc b/ash/wm/image_grid.cc
index 2edb3f52fb5b92ed57078ce9d6c9e6c67a0b0f5b..c9c982fae9bcaa8fe1513ab36fffa5d1eeeebf39 100644
--- a/ash/wm/image_grid.cc
+++ b/ash/wm/image_grid.cc
@@ -6,7 +6,6 @@
 
 #include <algorithm>
 
-#include "ui/aura/dip_util.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/rect.h"
@@ -27,9 +26,8 @@ gfx::Rect ImageGrid::TestAPI::GetTransformedLayerBounds(
   return bounds;
 }
 
-ImageGrid::ImageGrid(aura::Window* window)
-    : window_(window),
-      layer_(new ui::Layer(ui::LAYER_NOT_DRAWN)),
+ImageGrid::ImageGrid()
+    : layer_(new ui::Layer(ui::LAYER_NOT_DRAWN)),
       top_image_height_(0),
       bottom_image_height_(0),
       left_image_width_(0),
@@ -130,7 +128,7 @@ void ImageGrid::SetSize(const gfx::Size& size) {
     if (center_height > 0) {
       ui::Transform transform;
       transform.SetScaleY(
-          static_cast<float>(center_height) / left_layer_->bounds().height());
+          (static_cast<float>(center_height) / left_layer_->bounds().height()));
       transform.ConcatTranslate(0, top);
       left_layer_->SetTransform(transform);
     }
@@ -206,21 +204,16 @@ void ImageGrid::SetSize(const gfx::Size& size) {
   }
 }
 
-void ImageGrid::SetContentBounds(const gfx::Rect& content_bounds_in_dip) {
-#if defined(ENABLE_DIP)
-  // TODO(oshma): Scale the size of the shadow.
-  const gfx::Rect content_bounds =
-      aura::ConvertRectToPixel(window_, content_bounds_in_dip);
-#else
-  const gfx::Rect& content_bounds = content_bounds_in_dip;
-#endif
+void ImageGrid::SetContentBounds(const gfx::Rect& content_bounds) {
   SetSize(gfx::Size(
       content_bounds.width() + left_image_width_ + right_image_width_,
-      content_bounds.height() + top_image_height_ + bottom_image_height_));
-  layer_->SetBounds(gfx::Rect(content_bounds.x() - left_image_width_,
-                              content_bounds.y() - top_image_height_,
-                              layer_->bounds().width(),
-                              layer_->bounds().height()));
+      content_bounds.height() + top_image_height_ +
+      bottom_image_height_));
+  layer_->SetBounds(
+      gfx::Rect(content_bounds.x() - left_image_width_,
+                content_bounds.y() - top_image_height_,
+                layer_->bounds().width(),
+                layer_->bounds().height()));
 }
 
 void ImageGrid::ImagePainter::SetClipRect(const gfx::Rect& clip_rect,
@@ -267,13 +260,7 @@ void ImageGrid::SetImage(const gfx::Image* image,
   // Set up the new layer and painter.
   layer_ptr->reset(new ui::Layer(ui::LAYER_TEXTURED));
 
-#if defined(ENABLE_DIP)
-  const gfx::Size size =
-      aura::ConvertSizeToPixel(window_, GetImageSize(image));
-#else
   const gfx::Size size = GetImageSize(image);
-#endif
-
   layer_ptr->get()->SetBounds(gfx::Rect(0, 0, size.width(), size.height()));
 
   painter_ptr->reset(new ImagePainter(image));