Suppress the Android keyboard when selecting VR UI input fields.

chrome/browser/android/vr_shell/vr_shell.cc

 // 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/android/vr_shell/vr_shell.h"
 
 #include <android/native_window_jni.h>
 
 #include <string>
 #include <utility>
@@ skipping 483 matching lines @@
                                ui::PageTransition::PAGE_TRANSITION_TYPED);
       break;
     }
     default:
       NOTREACHED();
   }
 }
 
 void VrShell::RenderViewHostChanged(content::RenderViewHost* old_host,
                                     content::RenderViewHost* new_host) {
-  new_host->GetWidget()->GetView()->SetBackgroundColor(SK_ColorTRANSPARENT);
+  content::RenderWidgetHostView* view = new_host->GetWidget()->GetView();
+  view->SetBackgroundColor(SK_ColorTRANSPARENT);
+  view->SetIsInVR(true);
 }
 
 void VrShell::MainFrameWasResized(bool width_changed) {
   display::Display display =
       display::Screen::GetScreen()->GetDisplayNearestWindow(
           ui_contents_->GetNativeView());
   PostToGlThreadWhenReady(
       base::Bind(&VrShellGl::UIBoundsChanged, gl_thread_->GetVrShellGl(),
                  display.size().width(), display.size().height()));
 }
@@ skipping 172 matching lines @@
            jboolean reprojected_rendering) {
   return reinterpret_cast<intptr_t>(new VrShell(
       env, obj, reinterpret_cast<ui::WindowAndroid*>(content_window_android),
       content::WebContents::FromJavaWebContents(ui_web_contents),
       reinterpret_cast<ui::WindowAndroid*>(ui_window_android), for_web_vr,
       VrShellDelegate::GetNativeVrShellDelegate(env, delegate),
       reinterpret_cast<gvr_context*>(gvr_api), reprojected_rendering));
 }
 
 }  // namespace vr_shell