Fix use_canvas_skia = 0

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")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")
 }
@@ skipping 40 matching lines @@
     "animation/slide_animation.h",
     "animation/throb_animation.cc",
     "animation/throb_animation.h",
     "animation/tween.cc",
     "animation/tween.h",
     "blit.cc",
     "blit.h",
     "break_list.h",
     "canvas.cc",
     "canvas.h",
-    "canvas_android.cc",
+    "canvas_notimplemented.cc",
     "canvas_paint_mac.h",
     "canvas_paint_mac.mm",
     "canvas_paint_win.cc",
     "canvas_paint_win.h",
     "canvas_skia.cc",
     "canvas_skia_paint.h",
     "codec/jpeg_codec.cc",
     "codec/jpeg_codec.h",
     "codec/png_codec.cc",
     "codec/png_codec.h",
@@ skipping 174 matching lines @@
     if (is_win) {
       sources += [ "render_text_win.cc" ]
     } else if (is_mac) {
       sources += [ "render_text_mac.cc" ]
     } else if (use_pango) {
       sources += [ "render_text_pango.cc" ]
     } else if (use_ozone) {
       sources += [ "render_text_ozone.cc" ]
     }
   }
-  
+
   # iOS.
   if (is_ios) {
     sources -= [
       "codec/jpeg_codec.cc",
       "codec/jpeg_codec.h",
     ]
   } else {
     deps += [ "//third_party:jpeg" ]
   }
 
@@ skipping 38 matching lines @@
       "icon_util.cc",
       "icon_util.h",
     ]
   }
 
   # Linux.
   if (is_linux) {
     configs += [ "//build/config/linux:fontconfig" ]
   }
 
+  # Canvas_Skia stuff.
+  if (use_canvas_skia) {
+    sources -= [ "canvas_notimplemented.cc" ]
+  }
+
   # Ozone stuff.
   if (use_ozone) {
     sources += [
       "platform_font_ozone.cc",
       "ozone/impl/file_surface_factory.cc",
       "ozone/impl/file_surface_factory.h",
       "ozone/surface_factory_ozone.cc",
       "ozone/surface_factory_ozone.h",
       "ozone/surface_ozone.h",
       "ozone/overlay_candidates_ozone.cc",
@@ skipping 87 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"
   }
 }