Introduce some util code for drawing vector assets.

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 192 matching lines @@
     "text_utils.h",
     "text_utils_android.cc",
     "text_utils_ios.mm",
     "transform.cc",
     "transform.h",
     "transform_util.cc",
     "transform_util.h",
     "ui_gfx_exports.cc",
     "utf16_indexing.cc",
     "utf16_indexing.h",
+    "vector_icons.cc",
+    "vector_icons.h",
     "vsync_provider.h",
     "win/direct_write.cc",
     "win/direct_write.h",
     "win/dpi.cc",
     "win/dpi.h",
     "win/hwnd_util.cc",
     "win/hwnd_util.h",
     "win/scoped_set_map_mode.h",
     "win/singleton_hwnd.cc",
     "win/singleton_hwnd.h",
@@ skipping 91 matching lines @@
       "//base:base_java",
     ]
     libs = [
       "android",
       "jnigraphics",
     ]
   } else {
     sources -= [ "canvas_notimplemented.cc" ]
   }
 
+  # Non desktop.
+  if (is_ios || is_android) {
+    sources -= [
+      "vector_icons.cc",
+      "vector_icons.h",
+    ]
+  }
+
   # Windows.
   if (is_win) {
     cflags = [ "/wd4324" ]  # Structure was padded due to __declspec(align()), which is
                             # uninteresting.
   } else {
     sources -= [
       "gdi_util.cc",
       "gdi_util.h",
       "icon_util.cc",
       "icon_util.h",
@@ skipping 216 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"
   }
 }