Convert ui::ScaleFactor -> float in favicon/history code

components/favicon_base/select_favicon_frames.h

Index: components/favicon_base/select_favicon_frames.h
diff --git a/components/favicon_base/select_favicon_frames.h b/components/favicon_base/select_favicon_frames.h
index 34ffef3bf8ee5611449c936dcccc0e4aeeb81af6..9c1b80e50d31eacafefc0840ad06c9f7a7fc7635 100644
--- a/components/favicon_base/select_favicon_frames.h
+++ b/components/favicon_base/select_favicon_frames.h
@@ -7,7 +7,7 @@
 
 #include <vector>
 
-#include "ui/base/layout.h"
+#include "base/basictypes.h"
 
 class SkBitmap;
 
@@ -22,24 +22,23 @@ extern const float kSelectFaviconFramesInvalidScore;
 
 // Takes a list of all bitmaps found in a .ico file, and creates an
 // ImageSkia that's |desired_size_in_dip| x |desired_size_in_dip| big. This
-// function adds a representation at every desired scale factor.
+// function adds a representation at every entry in |favicon_scales|.
 // If |desired_size_in_dip| is 0, the largest bitmap is returned unmodified.
 // |original_sizes| are the original sizes of the bitmaps. (For instance,
 // WebContents::DownloadImage() does resampling if it is passed a max size.)
 // If score is non-NULL, it receives a score between 0 (bad) and 1 (good)
 // that describes how well |bitmaps| were able to produce an image at
-// |desired_size_in_dip| for |scale_factors|.
+// |desired_size_in_dip| for |favicon_scales|.
 // The score is arbitrary, but it's best for exact size matches,
 // and gets worse the more resampling needs to happen.
 // If the resampling algorithm is modified, the resampling done in
 // FaviconUtil::SelectFaviconFramesFromPNGs() should probably be modified too as
 // it inspired by this method.
-gfx::ImageSkia SelectFaviconFrames(
-    const std::vector<SkBitmap>& bitmaps,
-    const std::vector<gfx::Size>& original_sizes,
-    const std::vector<ui::ScaleFactor>& scale_factors,
-    int desired_size_in_dip,
-    float* score);
+gfx::ImageSkia SelectFaviconFrames(const std::vector<SkBitmap>& bitmaps,
+                                   const std::vector<gfx::Size>& original_sizes,
+                                   const std::vector<float>& favicon_scales,
+                                   int desired_size_in_dip,
+                                   float* score);
 
 // Takes a list of the pixel sizes of a favicon's favicon bitmaps and returns
 // the indices of the best sizes to use to create an ImageSkia with
@@ -53,10 +52,9 @@ gfx::ImageSkia SelectFaviconFrames(
 // that the index of the largest size is requested.
 // TODO(pkotwicz): Remove callers of this method for which |frame_pixel_sizes|
 // are the sizes of the favicon bitmaps after they were resized.
-void SelectFaviconFrameIndices(
-    const std::vector<gfx::Size>& frame_pixel_sizes,
-    const std::vector<int>& desired_sizes,
-    std::vector<size_t>* best_indices,
-    float* score);
+void SelectFaviconFrameIndices(const std::vector<gfx::Size>& frame_pixel_sizes,
+                               const std::vector<int>& desired_sizes,
+                               std::vector<size_t>* best_indices,
+                               float* score);
 
 #endif  // COMPONENTS_FAVICON_BASE_SELECT_FAVICON_FRAMES_H_