Revert of Sets the default background color of inline signin and user manager to grey

chrome/browser/ui/views/profiles/profile_chooser_view.cc

Index: chrome/browser/ui/views/profiles/profile_chooser_view.cc
diff --git a/chrome/browser/ui/views/profiles/profile_chooser_view.cc b/chrome/browser/ui/views/profiles/profile_chooser_view.cc
index f96693ef0633220df8787f240958ffd116a2fc7f..ba5a27edc93631577dd53df958965742246df867 100644
--- a/chrome/browser/ui/views/profiles/profile_chooser_view.cc
+++ b/chrome/browser/ui/views/profiles/profile_chooser_view.cc
@@ -39,7 +39,6 @@
 #include "components/signin/core/browser/signin_error_controller.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "components/signin/core/common/profile_management_switches.h"
-#include "content/public/browser/render_widget_host_view.h"
 #include "grit/theme_resources.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -1447,10 +1446,7 @@
   web_view->LoadInitialURL(url);
   web_view->SetPreferredSize(
       gfx::Size(kFixedGaiaViewWidth, kFixedGaiaViewHeight));
-  content::RenderWidgetHostView* rwhv =
-      web_view->GetWebContents()->GetRenderWidgetHostView();
-  if (rwhv)
-    rwhv->SetBackgroundColor(profiles::kAvatarBubbleGaiaBackgroundColor);
+
   TitleCard* title_card = new TitleCard(l10n_util::GetStringUTF16(message_id),
                                         this,
                                         &gaia_signin_cancel_button_);