components: Create web_modal component.

chrome/browser/ui/extensions/shell_window.cc

Index: chrome/browser/ui/extensions/shell_window.cc
diff --git a/chrome/browser/ui/extensions/shell_window.cc b/chrome/browser/ui/extensions/shell_window.cc
index a601f4515deb8ce6a01b59ac4d013d08994b40e8..4898c0eb2ca3b6f82ebd8b5f9b9bf532adf3ab0f 100644
--- a/chrome/browser/ui/extensions/shell_window.cc
+++ b/chrome/browser/ui/extensions/shell_window.cc
@@ -24,12 +24,12 @@
 #include "chrome/browser/ui/browser_tabstrip.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/extensions/native_app_window.h"
-#include "chrome/browser/ui/web_contents_modal_dialog_manager.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/extensions/manifest_handlers/icons_handler.h"
+#include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_details.h"
@@ -52,6 +52,8 @@
 using content::ConsoleMessageLevel;
 using content::WebContents;
 using extensions::APIPermission;
+using web_modal::WebContentsModalDialogHost;
+using web_modal::WebContentsModalDialogManager;
 
 namespace {
 const int kDefaultWidth = 512;
@@ -549,10 +551,6 @@ extensions::ActiveTabPermissionGranter*
   return NULL;
 }
 
-void ShellWindow::SetWebContentsBlocked(content::WebContents* web_contents,
-                                        bool blocked) {
-}
-
 WebContentsModalDialogHost* ShellWindow::GetWebContentsModalDialogHost() {
   return native_app_window_.get();
 }