Remove dependency on ui::ScaleFactor from ui/gfx

ui/base/clipboard/clipboard_gtk.cc

Index: ui/base/clipboard/clipboard_gtk.cc
diff --git a/ui/base/clipboard/clipboard_gtk.cc b/ui/base/clipboard/clipboard_gtk.cc
index 85da6448c05b3639e7dffd93334bac2c8bb42c23..42ee9f9d1f0a78df5f41d96c8e54d10610a769c6 100644
--- a/ui/base/clipboard/clipboard_gtk.cc
+++ b/ui/base/clipboard/clipboard_gtk.cc
@@ -20,6 +20,7 @@
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/clipboard/custom_data_helper.h"
 #include "ui/base/gtk/gtk_signal.h"
+#include "ui/base/layout.h"
 #include "ui/base/x/x11_util.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/gtk_util.h"
@@ -541,8 +542,7 @@ SkBitmap Clipboard::ReadImage(Buffer buffer) const {
 
   gfx::Canvas canvas(gfx::Size(gdk_pixbuf_get_width(pixbuf.get()),
                                gdk_pixbuf_get_height(pixbuf.get())),
-                     ui::SCALE_FACTOR_100P,
-                     false);
+                     1.0f, false);
   {
     skia::ScopedPlatformPaint scoped_platform_paint(canvas.sk_canvas());
     cairo_t* context = scoped_platform_paint.GetPlatformSurface();