Always select best favicon bitmap

components/favicon_base/favicon_util.h

Index: components/favicon_base/favicon_util.h
diff --git a/components/favicon_base/favicon_util.h b/components/favicon_base/favicon_util.h
index 088b471c47dabfb4d8462a95ae3bdcd2ec4d8064..f5c2cae8fe808602025d8333045804ade6536025 100644
--- a/components/favicon_base/favicon_util.h
+++ b/components/favicon_base/favicon_util.h
@@ -5,6 +5,7 @@
 #ifndef COMPONENTS_FAVICON_BASE_FAVICON_UTIL_H_
 #define COMPONENTS_FAVICON_BASE_FAVICON_UTIL_H_
 
+#include <map>
 #include <vector>
 
 #include "components/favicon_base/favicon_types.h"
@@ -36,6 +37,10 @@ gfx::Image SelectFaviconFramesFromPNGs(
     const std::vector<float>& favicon_scales,
     int favicon_size);
 
+gfx::Image SelectFaviconFramesForPixelSizesFromPNGs(
+    const std::vector<favicon_base::FaviconRawBitmapResult>& png_data,
+    const std::map<int, float>& desired_pixel_sizes);
+
 // Generates a favicon_bitmap_result sized exactly to [desired_size,
 // desired_size] from the provided result set.  If the exact size is found in
 // the set, it just returns that; otherwise, it will decode the PNG, scale,