Make WebView work for external displays (over Presentations).

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 10 matching lines @@
 }
 
 component("gfx") {
   sources = [
     "android/device_display_info.cc",
     "android/device_display_info.h",
     "android/gfx_jni_registrar.cc",
     "android/gfx_jni_registrar.h",
     "android/java_bitmap.cc",
     "android/java_bitmap.h",
-    "android/shared_device_display_info.cc",
-    "android/shared_device_display_info.h",
     "android/view_configuration.cc",
     "android/view_configuration.h",
     "animation/animation.cc",
     "animation/animation.h",
     "animation/animation_container.cc",
     "animation/animation_container.h",
     "animation/animation_container_element.h",
     "animation/animation_container_observer.h",
     "animation/animation_delegate.h",
     "animation/linear_animation.cc",
@@ skipping 125 matching lines @@
     "range/range_mac.mm",
     "range/range_win.cc",
     "scoped_canvas.h",
     "scoped_cg_context_save_gstate_mac.h",
     "scoped_ns_graphics_context_save_gstate_mac.h",
     "scoped_ns_graphics_context_save_gstate_mac.mm",
     "scoped_ui_graphics_push_context_ios.h",
     "scoped_ui_graphics_push_context_ios.mm",
     "screen.cc",
     "screen.h",
-    "screen_android.cc",
     "screen_aura.cc",
     "screen_ios.mm",
     "screen_mac.mm",
     "screen_win.cc",
     "screen_win.h",
     "scrollbar_size.cc",
     "scrollbar_size.h",
     "selection_model.cc",
     "selection_model.h",
     "sequential_id_generator.cc",
@@ skipping 89 matching lines @@
       "codec/jpeg_codec.cc",
       "codec/jpeg_codec.h",
     ]
   } else {
     deps += [ "//third_party:jpeg" ]
   }
 
   # Android.
   if (is_android) {
     if (use_aura) {
-      sources -= [
-        "canvas_notimplemented.cc",
-        "screen_android.cc",
-      ]
+      sources -= [ "canvas_notimplemented.cc" ]
       sources += [ "font_fallback_android.cc" ]
     } else {
       sources -= [
         "animation/throb_animation.cc",
         "canvas_skia.cc",
         "path.cc",
         "selection_model.cc",
       ]
     }
 
@@ skipping 248 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"
   }
 }