Make HasRepresentation() work better for vector images.

ui/gfx/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
@@ skipping 95 matching lines @@
     "image/image_family.cc",
     "image/image_family.h",
     "image/image_ios.mm",
     "image/image_mac.mm",
     "image/image_png_rep.cc",
     "image/image_png_rep.h",
     "image/image_skia.cc",
     "image/image_skia.h",
     "image/image_skia_rep.cc",
     "image/image_skia_rep.h",
+    "image/image_skia_source.cc",
     "image/image_skia_source.h",
     "image/image_skia_util_ios.h",
     "image/image_skia_util_ios.mm",
     "image/image_skia_util_mac.h",
     "image/image_skia_util_mac.mm",
     "image/image_util.cc",
     "image/image_util.h",
     "image/image_util_ios.mm",
     "interpolated_transform.cc",
     "interpolated_transform.h",
@@ skipping 723 matching lines @@
 if (is_android) {
   generate_jni("gfx_jni_headers") {
     sources = [
       "../android/java/src/org/chromium/ui/gfx/BitmapHelper.java",
       "../android/java/src/org/chromium/ui/gfx/DeviceDisplayInfo.java",
       "../android/java/src/org/chromium/ui/gfx/ViewConfigurationHelper.java",
     ]
     jni_package = "gfx"
   }
 }