views: support dialog width snapping once and for all

chrome/browser/ui/views/extensions/chooser_dialog_view.cc

 // Copyright 2016 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/extensions/chooser_dialog_view.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "chrome/browser/chooser_controller/chooser_controller.h"
 #include "chrome/browser/extensions/api/chrome_device_permissions_prompt.h"
@@ skipping 57 matching lines @@
 }
 
 views::View* ChooserDialogView::CreateFootnoteView() {
   return device_chooser_content_view_->footnote_link();
 }
 
 views::ClientView* ChooserDialogView::CreateClientView(views::Widget* widget) {
   views::DialogClientView* client =
       new views::DialogClientView(widget, GetContentsView());
 
-  constexpr int kMinWidth = 402;
-  constexpr int kMinHeight = 320;
-  ChromeLayoutProvider* provider = ChromeLayoutProvider::Get();
-  int min_width = provider->GetDialogPreferredWidth(DialogWidth::MEDIUM);
-  if (!min_width)
-    min_width = kMinWidth;
-  client->set_minimum_size(gfx::Size(min_width, kMinHeight));
+  client->set_minimum_size(gfx::Size(402, 320));
 
-  client->set_button_row_insets(gfx::Insets(
-      provider->GetDistanceMetric(DISTANCE_UNRELATED_CONTROL_VERTICAL), 0, 0,
-      0));
+  client->set_button_row_insets(
+      gfx::Insets(views::LayoutProvider::Get()->GetDistanceMetric(
+                      DISTANCE_UNRELATED_CONTROL_VERTICAL),
+                  0, 0, 0));
   return client;
 }
 
 views::NonClientFrameView* ChooserDialogView::CreateNonClientFrameView(
     views::Widget* widget) {
   // ChooserDialogView always has a parent, so ShouldUseCustomFrame() should
   // always be true.
   DCHECK(ShouldUseCustomFrame());
   return views::DialogDelegate::CreateDialogFrameView(
       widget, gfx::Insets(ChromeLayoutProvider::Get()->GetDistanceMetric(
@@ skipping 52 matching lines @@
 void ChromeDevicePermissionsPrompt::ShowDialogViews() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
 
   std::unique_ptr<ChooserController> chooser_controller(
       new DevicePermissionsDialogController(web_contents()->GetMainFrame(),
                                             prompt()));
 
   constrained_window::ShowWebModalDialogViews(
       new ChooserDialogView(std::move(chooser_controller)), web_contents());
 }