UMA stats for stylus usage

chrome/browser/ui/views/apps/chrome_native_app_window_views.cc

 // 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.
 
 #include "chrome/browser/ui/views/apps/chrome_native_app_window_views.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "apps/ui/views/app_window_frame_view.h"
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/app_mode/app_mode_utils.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/views/extensions/extension_keybinding_registry_views.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "components/favicon/content/content_favicon_driver.h"
 #include "components/zoom/page_zoom.h"
 #include "components/zoom/zoom_controller.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/window.h"
 #include "ui/views/controls/webview/webview.h"
 #include "ui/views/widget/widget.h"
 
+#if defined(OS_CHROMEOS)
+#include "chrome/browser/ui/ash/metrics/stylus_metrics_recorder_chromeos.h"
+#endif
+
 using extensions::AppWindow;
 
 namespace {
 
 const int kMinPanelWidth = 100;
 const int kMinPanelHeight = 100;
 const int kDefaultPanelWidth = 200;
 const int kDefaultPanelHeight = 300;
 
 struct AcceleratorMapping {
@@ skipping 98 matching lines @@
     if (IsFrameless())
       init_params.shadow_type = views::Widget::InitParams::SHADOW_TYPE_NONE;
   }
   init_params.keep_on_top = create_params.always_on_top;
   init_params.visible_on_all_workspaces =
       create_params.visible_on_all_workspaces;
 
   OnBeforeWidgetInit(create_params, &init_params, widget());
   widget()->Init(init_params);
 
+#if defined(OS_CHROMEOS)
+  widget()->GetNativeWindow()->SetProperty(chromeos::kStylusWindowTypeBucket,
+                                           chromeos::StylusWindowType::APP);
+#endif
+
   // The frame insets are required to resolve the bounds specifications
   // correctly. So we set the window bounds and constraints now.
   gfx::Insets frame_insets = GetFrameInsets();
   gfx::Rect window_bounds = create_params.GetInitialWindowBounds(frame_insets);
   SetContentSizeConstraints(create_params.GetContentMinimumSize(frame_insets),
                             create_params.GetContentMaximumSize(frame_insets));
   if (!window_bounds.IsEmpty()) {
     using BoundsSpecification = AppWindow::BoundsSpecification;
     bool position_specified =
         window_bounds.x() != BoundsSpecification::kUnspecifiedPosition &&
@@ skipping 230 matching lines @@
     InitializePanelWindow(create_params);
   } else {
     InitializeDefaultWindow(create_params);
   }
   extension_keybinding_registry_.reset(new ExtensionKeybindingRegistryViews(
       Profile::FromBrowserContext(app_window->browser_context()),
       widget()->GetFocusManager(),
       extensions::ExtensionKeybindingRegistry::PLATFORM_APPS_ONLY,
       NULL));
 }