Launch Crostini apps with display scaled up.

This CL adds logic to check the app preference and to send app launch
request with display scaled up if the preference is set to scaled
display.

BUG=chromium:839242
TEST=Manually tested on an eve device.

Change-Id: I054d384161219a1596aee4366d9bc56962b87eb3
Reviewed-on: https://chromium-review.googlesource.com/1232754Reviewed-by: Nicholas Verne <nverne@chromium.org>
Commit-Queue: Tim Zheng <timzheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#592587}

chrome/browser/chromeos/crostini/crostini_manager.cc

@@ -857,12 +857,17 @@ void CrostiniManager::LaunchContainerApplication(
     std::string container_name,
     std::string desktop_file_id,
     const std::vector<std::string>& files,
+    bool display_scaled,
     LaunchContainerApplicationCallback callback) {
   vm_tools::cicerone::LaunchContainerApplicationRequest request;
   request.set_owner_id(owner_id_);
   request.set_vm_name(std::move(vm_name));
   request.set_container_name(std::move(container_name));
   request.set_desktop_file_id(std::move(desktop_file_id));
+  if (display_scaled) {
+    request.set_display_scaling(
+        vm_tools::cicerone::LaunchContainerApplicationRequest::SCALED);
+  }
   std::copy(
       files.begin(), files.end(),
       google::protobuf::RepeatedFieldBackInserter(request.mutable_files()));

chrome/browser/chromeos/crostini/crostini_manager.h

@@ -264,6 +264,7 @@ class CrostiniManager : public KeyedService,
                                   std::string container_name,
                                   std::string desktop_file_id,
                                   const std::vector<std::string>& files,
+                                  bool display_scaled,
                                   LaunchContainerApplicationCallback callback);
 
   // Asynchronously gets app icons as specified by their desktop file ids.

chrome/browser/chromeos/crostini/crostini_util.cc

@@ -115,7 +115,8 @@ void LaunchContainerApplication(
     const std::string& app_id,
     crostini::CrostiniRegistryService::Registration registration,
     int64_t display_id,
-    const std::vector<std::string>& files) {
+    const std::vector<std::string>& files,
+    bool display_scaled) {
   ChromeLauncherController* chrome_launcher_controller =
       ChromeLauncherController::instance();
   DCHECK_NE(chrome_launcher_controller, nullptr);
@@ -125,7 +126,7 @@ void LaunchContainerApplication(
   observer->OnAppLaunchRequested(app_id, display_id);
   crostini::CrostiniManager::GetForProfile(profile)->LaunchContainerApplication(
       registration.VmName(), registration.ContainerName(),
-      registration.DesktopFileId(), files,
+      registration.DesktopFileId(), files, display_scaled,
       base::BindOnce(OnContainerApplicationLaunched, app_id));
 }
 
@@ -324,9 +325,9 @@ void LaunchCrostiniApp(Profile* profile,
         base::BindOnce(&ShowTerminal, launch_params, vsh_in_crosh_url, browser);
   } else {
     RecordAppLaunchHistogram(CrostiniAppLaunchAppType::kRegisteredApp);
-    launch_closure =
-        base::BindOnce(&LaunchContainerApplication, profile, app_id,
-                       std::move(*registration), display_id, std::move(files));
+    launch_closure = base::BindOnce(
+        &LaunchContainerApplication, profile, app_id, std::move(*registration),
+        display_id, std::move(files), registration->IsScaled());
   }
 
   // Update the last launched time.