Revert of Making answer card to behave like other results.

chrome/browser/chromeos/login/ui/web_contents_set_background_color.cc

Index: chrome/browser/chromeos/login/ui/web_contents_set_background_color.cc
diff --git a/chrome/browser/chromeos/login/ui/web_contents_set_background_color.cc b/chrome/browser/chromeos/login/ui/web_contents_set_background_color.cc
new file mode 100644
index 0000000000000000000000000000000000000000..6b57011eaf5994e51d5a9ab21976585f6e072fe4
--- /dev/null
+++ b/chrome/browser/chromeos/login/ui/web_contents_set_background_color.cc
@@ -0,0 +1,57 @@
+// 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/chromeos/login/ui/web_contents_set_background_color.h"
+
+#include "base/memory/ptr_util.h"
+#include "content/public/browser/render_view_host.h"
+#include "content/public/browser/render_widget_host.h"
+#include "content/public/browser/render_widget_host_view.h"
+
+DEFINE_WEB_CONTENTS_USER_DATA_KEY(chromeos::WebContentsSetBackgroundColor);
+
+namespace chromeos {
+
+// static
+void WebContentsSetBackgroundColor::CreateForWebContentsWithColor(
+    content::WebContents* web_contents,
+    SkColor color) {
+  if (FromWebContents(web_contents))
+    return;
+
+  // SupportsUserData::Data takes ownership over the
+  // WebContentsSetBackgroundColor instance and will destroy it when the
+  // WebContents instance is destroyed.
+  web_contents->SetUserData(
+      UserDataKey(),
+      base::WrapUnique(new WebContentsSetBackgroundColor(web_contents, color)));
+}
+
+WebContentsSetBackgroundColor::WebContentsSetBackgroundColor(
+    content::WebContents* web_contents,
+    SkColor color)
+    : content::WebContentsObserver(web_contents), color_(color) {}
+
+WebContentsSetBackgroundColor::~WebContentsSetBackgroundColor() {}
+
+void WebContentsSetBackgroundColor::RenderViewReady() {
+  web_contents()
+      ->GetRenderViewHost()
+      ->GetWidget()
+      ->GetView()
+      ->SetBackgroundColor(color_);
+}
+
+void WebContentsSetBackgroundColor::RenderViewCreated(
+    content::RenderViewHost* render_view_host) {
+  render_view_host->GetWidget()->GetView()->SetBackgroundColor(color_);
+}
+
+void WebContentsSetBackgroundColor::RenderViewHostChanged(
+    content::RenderViewHost* old_host,
+    content::RenderViewHost* new_host) {
+  new_host->GetWidget()->GetView()->SetBackgroundColor(color_);
+}
+
+}  // namespace chromeos