[Mac] Add cocoa implementation for sidebar extension action support

chrome/browser/ui/cocoa/browser_window_cocoa.mm

 // Copyright (c) 2012 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/cocoa/browser_window_cocoa.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #import "base/mac/sdk_forward_declarations.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/download/download_shelf.h"
 #include "chrome/browser/extensions/extension_util.h"
+#include "chrome/browser/extensions/sidebar_container.h"
 #include "chrome/browser/extensions/tab_helper.h"
 #include "chrome/browser/fullscreen.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/shell_integration.h"
 #include "chrome/browser/signin/chrome_signin_helper.h"
 #include "chrome/browser/translate/chrome_translate_client.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_command_controller.h"
 #include "chrome/browser/ui/browser_commands_mac.h"
 #include "chrome/browser/ui/browser_list.h"
@@ skipping 280 matching lines @@
 void BrowserWindowCocoa::BookmarkBarStateChanged(
     BookmarkBar::AnimateChangeType change_type) {
   [[controller_ bookmarkBarController]
       updateState:browser_->bookmark_bar_state()
        changeType:change_type];
 }
 
 void BrowserWindowCocoa::UpdateDevTools() {
   [controller_ updateDevToolsForContents:
       browser_->tab_strip_model()->GetActiveWebContents()];
+  UpdateSidebarForContents(nullptr);
 }
 
 void BrowserWindowCocoa::UpdateLoadingAnimations(bool should_animate) {
   // Do nothing on Mac.
 }
 
 void BrowserWindowCocoa::SetStarredState(bool is_starred) {
   [controller_ setStarredState:is_starred];
 }
 
@@ skipping 494 matching lines @@
     const signin::ManageAccountsParams& manage_accounts_params) {
   AvatarBaseController* controller = [controller_ avatarButtonController];
   NSView* anchor = [controller buttonView];
   if ([anchor isHiddenOrHasHiddenAncestor])
     anchor = [[controller_ toolbarController] wrenchButton];
   [controller showAvatarBubbleAnchoredAt:anchor
                                 withMode:mode
                          withServiceType:manage_accounts_params.service_type];
 }
 
+void BrowserWindowCocoa::UpdateSidebarForContents(
+  content::WebContents* sidebar_contents) {
+  WebContents* web_contents =
+      browser_->tab_strip_model()->GetActiveWebContents();
+  [controller_ updateSidebarForContents:web_contents
+                       sidebar_contents:sidebar_contents];
+}
+
 int
 BrowserWindowCocoa::GetRenderViewHeightInsetWithDetachedBookmarkBar() {
   if (browser_->bookmark_bar_state() != BookmarkBar::DETACHED)
     return 0;
   return 40;
 }
 
 void BrowserWindowCocoa::ExecuteExtensionCommand(
     const extensions::Extension* extension,
     const extensions::Command& command) {
@@ skipping 15 matching lines @@
 void BrowserWindowCocoa::UnhideDownloadShelf() {
   GetDownloadShelf()->Unhide();
 }
 
 void BrowserWindowCocoa::HideDownloadShelf() {
   GetDownloadShelf()->Hide();
   StatusBubble* statusBubble = GetStatusBubble();
   if (statusBubble)
     statusBubble->Hide();
 }
+
+void BrowserWindowCocoa::ShowSidebar(content::WebContents* sidebar_contents) {
+  UpdateSidebarForContents(sidebar_contents);
+}
+
+void BrowserWindowCocoa::HideSidebar() {
+  UpdateSidebarForContents(nullptr);
+}