GetScaleFactorForNativeView should return scale factor in float

content/browser/renderer_host/dip_util.h

Index: content/browser/renderer_host/dip_util.h
diff --git a/content/browser/renderer_host/dip_util.h b/content/browser/renderer_host/dip_util.h
index 82c97728c5a9b75f937a2c341ade4bedbdd449dc..27e7dd19e9e4f0aa10ba402f2c2ddca87613b3b9 100644
--- a/content/browser/renderer_host/dip_util.h
+++ b/content/browser/renderer_host/dip_util.h
@@ -6,7 +6,6 @@
 #define CONTENT_BROWSER_RENDERER_HOST_DIP_UTIL_H_
 
 #include "content/common/content_export.h"
-#include "ui/base/layout.h"
 
 namespace gfx {
 class Point;
@@ -18,9 +17,8 @@ namespace content {
 class RenderWidgetHostView;
 
 // Returns scale factor of the display nearest to |view|.
-// Returns ui::SCALE_FACTOR_100P if the platform does not support DIP.
-CONTENT_EXPORT ui::ScaleFactor GetScaleFactorForView(
-    const RenderWidgetHostView* view);
+// Returns 1.0f if the platform does not support DIP.
+CONTENT_EXPORT float GetScaleFactorForView(const RenderWidgetHostView* view);
 
 // Utility functions that convert point/size/rect between DIP and pixel
 // coordinate system.