Record UMA stats for Blink decoded image orientation

third_party/WebKit/Source/platform/graphics/ImageOrientation.h

Index: third_party/WebKit/Source/platform/graphics/ImageOrientation.h
diff --git a/third_party/WebKit/Source/platform/graphics/ImageOrientation.h b/third_party/WebKit/Source/platform/graphics/ImageOrientation.h
index a73df6d603f25173cf86ddcb9b4e00474c50ded2..98b06db548611f0055fa99176a387b0d08eb9f85 100644
--- a/third_party/WebKit/Source/platform/graphics/ImageOrientation.h
+++ b/third_party/WebKit/Source/platform/graphics/ImageOrientation.h
@@ -47,6 +47,7 @@ enum ImageOrientationEnum {
     OriginLeftBottom = 8, // 270 degree CW rotation
     // All other values are "reserved" as of EXIF 2.2
     DefaultImageOrientation = OriginTopLeft,
+    ImageOrientationEnumEnd = OriginLeftBottom + 1,
 };
 
 enum RespectImageOrientationEnum {
@@ -84,6 +85,8 @@ public:
     inline bool operator==(const ImageOrientation& other) const { return other.m_orientation == m_orientation; }
     inline bool operator!=(const ImageOrientation& other) const { return !(*this == other); }
 
+    ImageOrientationEnum orientation() const { return m_orientation; }
+
 private:
     // FIXME: This only needs to be one byte.
     ImageOrientationEnum m_orientation;