MacViews: Don't draw custom frame on Mac

chrome/browser/ui/views/frame/desktop_browser_frame_auralinux.cc

+// Copyright 2015 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/frame/desktop_browser_frame_auralinux.h"
+
+#include "base/command_line.h"
+#include "chrome/browser/shell_integration_linux.h"
+#include "chrome/browser/ui/views/frame/browser_frame.h"
+#include "chrome/browser/ui/views/frame/browser_view.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/common/pref_names.h"
+#include "ui/views/widget/widget.h"
+
+DesktopBrowserFrameAuraLinux::DesktopBrowserFrameAuraLinux(
+    BrowserFrame* browser_frame,
+    BrowserView* browser_view)
+    : DesktopBrowserFrameAura(browser_frame, browser_view) {
+  use_custom_frame_pref_.Init(
+      prefs::kUseCustomChromeFrame,
+      browser_view->browser()->profile()->GetPrefs(),
+      base::Bind(&DesktopBrowserFrameAuraLinux::OnUseCustomChromeFrameChanged,
+                 base::Unretained(this)));
+}
+
+DesktopBrowserFrameAuraLinux::~DesktopBrowserFrameAuraLinux() {
+}
+
+views::Widget::InitParams DesktopBrowserFrameAuraLinux::GetWidgetParams() {
+  views::Widget::InitParams params;
+  params.native_widget = this;
+
+  // Set up a custom WM_CLASS for some sorts of window types. This allows
+  // task switchers in X11 environments to distinguish between main browser
+  // windows and e.g app windows.
+  const base::CommandLine& command_line =
+      *base::CommandLine::ForCurrentProcess();
+  const Browser& browser = *browser_view()->browser();
+  params.wm_class_class = shell_integration_linux::GetProgramClassName();
+  params.wm_class_name = params.wm_class_class;
+  if (browser.is_app() && !browser.is_devtools()) {
+    // This window is a hosted app or v1 packaged app.
+    // NOTE: v2 packaged app windows are created by ChromeNativeAppWindowViews.
+    params.wm_class_name = web_app::GetWMClassFromAppName(browser.app_name());
+  } else if (command_line.HasSwitch(switches::kUserDataDir)) {
+    // Set the class name to e.g. "Chrome (/tmp/my-user-data)".  The
+    // class name will show up in the alt-tab list in gnome-shell if
+    // you're running a binary that doesn't have a matching .desktop
+    // file.
+    const std::string user_data_dir =
+        command_line.GetSwitchValueNative(switches::kUserDataDir);
+    params.wm_class_name += " (" + user_data_dir + ")";
+  }
+  const char kX11WindowRoleBrowser[] = "browser";
+  const char kX11WindowRolePopup[] = "pop-up";
+  params.wm_role_name = browser_view()->browser()->is_type_tabbed() ?
+      std::string(kX11WindowRoleBrowser) : std::string(kX11WindowRolePopup);
+  params.remove_standard_frame = UseCustomFrame();
+
+  return params;
+}
+
+bool DesktopBrowserFrameAuraLinux::UseCustomFrame() const {
+  return use_custom_frame_pref_.GetValue() &&
+      browser_view()->IsBrowserTypeNormal();
+}
+
+void DesktopBrowserFrameAuraLinux::OnUseCustomChromeFrameChanged() {
+  // Tell the window manager to add or remove system borders.
+  browser_frame()->set_frame_type(
+      UseCustomFrame() ? views::Widget::FRAME_TYPE_FORCE_CUSTOM
+                       : views::Widget::FRAME_TYPE_FORCE_NATIVE);
+  browser_frame()->FrameTypeChanged();
+}