components: Create web_modal component.

components/web_modal/web_contents_modal_dialog_manager.cc

Index: components/web_modal/web_contents_modal_dialog_manager.cc
diff --git a/chrome/browser/ui/web_contents_modal_dialog_manager.cc b/components/web_modal/web_contents_modal_dialog_manager.cc
similarity index 93%
rename from chrome/browser/ui/web_contents_modal_dialog_manager.cc
rename to components/web_modal/web_contents_modal_dialog_manager.cc
index 2b72e4a94020355dc356ff41309d286e486c4f73..4a425ad9aa2b123f5ba1562c2e2a6a25e9d68d07 100644
--- a/chrome/browser/ui/web_contents_modal_dialog_manager.cc
+++ b/components/web_modal/web_contents_modal_dialog_manager.cc
@@ -2,10 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/ui/web_contents_modal_dialog_manager.h"
+#include "components/web_modal/web_contents_modal_dialog_manager.h"
 
-#include "chrome/browser/ui/web_contents_modal_dialog_manager_delegate.h"
-#include "chrome/common/render_messages.h"
+#include "components/web_modal/web_contents_modal_dialog_manager_delegate.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_details.h"
@@ -17,7 +16,9 @@
 
 using content::WebContents;
 
-DEFINE_WEB_CONTENTS_USER_DATA_KEY(WebContentsModalDialogManager);
+DEFINE_WEB_CONTENTS_USER_DATA_KEY(web_modal::WebContentsModalDialogManager);
+
+namespace web_modal {
 
 WebContentsModalDialogManager::~WebContentsModalDialogManager() {
   DCHECK(child_dialogs_.empty());
@@ -44,11 +45,9 @@ void WebContentsModalDialogManager::BlockWebContentsInteraction(bool blocked) {
 
   // RenderViewHost may be NULL during shutdown.
   content::RenderViewHost* host = contents->GetRenderViewHost();
-  if (host) {
+  if (host)
     host->SetIgnoreInputEvents(blocked);
-    host->Send(new ChromeViewMsg_SetVisuallyDeemphasized(
-        host->GetRoutingID(), blocked));
-  }
+
   if (delegate_)
     delegate_->SetWebContentsBlocked(contents, blocked);
 }
@@ -150,3 +149,5 @@ void WebContentsModalDialogManager::WebContentsDestroyed(WebContents* tab) {
   // twice before it runs.
   CloseAllDialogs();
 }
+
+}  // namespace web_modal