Upstream Chrome on iOS source code [2/11].

ios/chrome/browser/downstream_chromium_browser_provider.mm

+// 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.
+
+#import "ios/chrome/browser/downstream_chromium_browser_provider.h"
+
+#import <UIKit/UIKit.h>
+
+#include <memory>
+#include <string>
+
+#include "base/memory/ptr_util.h"
+#import "components/handoff/handoff_manager.h"
+#include "ios/chrome/browser/sessions/tab_restore_service_delegate_provider_impl.h"
+#include "ios/chrome/browser/tabs/tab_model_synced_window_delegate_getter.h"
+#include "ios/chrome/browser/ui/autofill/card_unmask_prompt_view_bridge.h"
+#import "ios/chrome/browser/ui/bookmarks/bookmark_interaction_controller.h"
+#import "ios/chrome/browser/ui/bookmarks/bookmark_promo_controller.h"
+#import "ios/chrome/browser/ui/browser_list_ios.h"
+#import "ios/chrome/browser/ui/infobars/infobar_view.h"
+#include "ios/chrome/browser/ui/webui/chrome_web_ui_ios_controller_factory.h"
+#import "ios/chrome/common/material_timing.h"
+
+DownstreamChromiumBrowserProvider::DownstreamChromiumBrowserProvider()
+    : tab_restore_service_delegate_provider_(
+          base::MakeUnique<
+              ios_internal::TabRestoreServiceDelegateProviderImpl>()) {}
+
+DownstreamChromiumBrowserProvider::~DownstreamChromiumBrowserProvider() {}
+
+void DownstreamChromiumBrowserProvider::RegisterProfilePrefs(
+    user_prefs::PrefRegistrySyncable* registry) {
+  [BookmarkInteractionController registerBrowserStatePrefs:registry];
+  [BookmarkPromoController registerBrowserStatePrefs:registry];
+  [HandoffManager registerBrowserStatePrefs:registry];
+}
+
+InfoBarViewPlaceholder DownstreamChromiumBrowserProvider::CreateInfoBarView(
+    CGRect frame,
+    InfoBarViewDelegate* delegate) NS_RETURNS_RETAINED {
+  return [[InfoBarView alloc] initWithFrame:frame delegate:delegate];
+}
+
+ios::LiveTabContextProvider*
+DownstreamChromiumBrowserProvider::GetLiveTabContextProvider() {
+  return tab_restore_service_delegate_provider_.get();
+}
+
+void DownstreamChromiumBrowserProvider::SetUIViewAlphaWithAnimation(
+    UIView* view,
+    float alpha) {
+  CGFloat oldAlpha = [view alpha];
+  if (oldAlpha > 0 && alpha == 0) {
+    [view setUserInteractionEnabled:NO];
+  }
+  [UIView cr_transitionWithView:view
+      duration:ios::material::kDuration3
+      curve:ios::material::CurveEaseInOut
+      options:0
+      animations:^{
+        [view setAlpha:alpha];
+      }
+      completion:^(BOOL) {
+        if (oldAlpha == 0 && alpha > 0) {
+          [view setUserInteractionEnabled:YES];
+        };
+      }];
+}
+
+autofill::CardUnmaskPromptView*
+DownstreamChromiumBrowserProvider::CreateCardUnmaskPromptView(
+    autofill::CardUnmaskPromptController* controller) {
+  return new autofill::CardUnmaskPromptViewBridge(controller);
+}
+
+bool DownstreamChromiumBrowserProvider::IsOffTheRecordSessionActive() {
+  return BrowserListIOS::IsOffTheRecordSessionActive();
+}
+
+void DownstreamChromiumBrowserProvider::GetFaviconForURL(
+    ios::ChromeBrowserState* browser_state,
+    const GURL& page_url,
+    const std::vector<int>& desired_sizes_in_pixel,
+    const favicon_base::FaviconResultsCallback& callback) const {
+  ChromeWebUIIOSControllerFactory::GetInstance()->GetFaviconForURL(
+      browser_state, page_url, desired_sizes_in_pixel, callback);
+}
+
+std::unique_ptr<sync_sessions::SyncedWindowDelegatesGetter>
+DownstreamChromiumBrowserProvider::CreateSyncedWindowDelegatesGetter(
+    ios::ChromeBrowserState* browser_state) {
+  return base::MakeUnique<TabModelSyncedWindowDelegatesGetter>(browser_state);
+}