Reland of Android: support multiple displays on C++ side

android_webview/browser/aw_browser_main_parts.cc

 // Copyright (c) 2012 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.
 
 #include "android_webview/browser/aw_browser_main_parts.h"
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_content_browser_client.h"
 #include "android_webview/browser/aw_result_codes.h"
 #include "android_webview/browser/deferred_gpu_command_service.h"
@@ skipping 13 matching lines @@
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/result_codes.h"
 #include "device/geolocation/access_token_store.h"
 #include "device/geolocation/geolocation_delegate.h"
 #include "device/geolocation/geolocation_provider.h"
 #include "net/android/network_change_notifier_factory_android.h"
 #include "net/base/network_change_notifier.h"
+#include "ui/android/screen_android.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/layout.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/resource/resource_bundle_android.h"
 #include "ui/base/ui_base_paths.h"
+#include "ui/display/screen.h"
 #include "ui/gl/gl_surface.h"
 
 namespace android_webview {
 namespace {
 
 class AwAccessTokenStore : public device::AccessTokenStore {
  public:
   AwAccessTokenStore() { }
 
   // device::AccessTokenStore implementation
@@ skipping 64 matching lines @@
 
   base::android::MemoryPressureListenerAndroid::RegisterSystemCallback(
       base::android::AttachCurrentThread());
   DeferredGpuCommandService::SetInstance();
   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kSingleProcess)) {
     // Create the renderers crash manager on the UI thread.
     breakpad::CrashMicroDumpManager::GetInstance();
   }
 
+  display::Screen::SetScreenInstance(ui::CreateScreenAndroid());
+
   return content::RESULT_CODE_NORMAL_EXIT;
 }
 
 void AwBrowserMainParts::PreMainMessageLoopRun() {
   browser_client_->InitBrowserContext()->PreMainMessageLoopRun();
 
   device::GeolocationProvider::SetGeolocationDelegate(
       new AwGeolocationDelegate());
 
   content::RenderFrameHost::AllowInjectingJavaScriptForAndroidWebView();
 }
 
 bool AwBrowserMainParts::MainMessageLoopRun(int* result_code) {
   // Android WebView does not use default MessageLoop. It has its own
   // Android specific MessageLoop.
   return true;
 }
 
 }  // namespace android_webview