VR: Add a loading indicator to the scene.

chrome/browser/android/vr_shell/textures/url_bar_texture.cc

 // Copyright 2017 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/android/vr_shell/textures/url_bar_texture.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "cc/paint/skia_paint_canvas.h"
 #include "components/security_state/core/security_state.h"
 #include "ui/gfx/canvas.h"
@@ skipping 60 matching lines @@
   if (&getSecurityIcon(security_level_) != &getSecurityIcon(level))
     dirty_ = true;
   security_level_ = level;
 }
 
 float UrlBarTexture::ToPixels(float meters) const {
   return meters * size_.width() / kWidth;
 }
 
 void UrlBarTexture::Draw(SkCanvas* canvas, const gfx::Size& texture_size) {
+  dirty_ = false;
+
   size_.set_height(texture_size.height());
   size_.set_width(texture_size.width());
 
   canvas->save();
   canvas->scale(size_.width() / kWidth, size_.width() / kWidth);
 
   // Make a gfx canvas to support utility drawing methods.
   cc::SkiaPaintCanvas paint_canvas(canvas);
   gfx::Canvas gfx_canvas(&paint_canvas, 1.0f);
 
@@ skipping 68 matching lines @@
   return size_;
 }
 
 bool UrlBarTexture::SetDrawFlags(int draw_flags) {
   if (draw_flags != GetDrawFlags())
     dirty_ = true;
   return UiTexture::SetDrawFlags(draw_flags);
 }
 
 }  // namespace vr_shell