Make WebView work for external displays (over Presentations).

content/browser/android/content_view_core_impl.cc

 // Copyright 2012 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 "content/browser/android/content_view_core_impl.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/android/scoped_java_ref.h"
@@ skipping 1291 matching lines @@
   } else {
     accessibility_state->ResetAccessibilityMode();
     if (web_contents_) {
       web_contents_->SetAccessibilityMode(
           accessibility_state->accessibility_mode());
     }
   }
 }
 
 void ContentViewCoreImpl::SendOrientationChangeEventInternal() {
+  // TODO need to make ScreenOrientationListener context-based to make sure we
+  // reach this function every time the current display changes orientation
+  ui::WindowAndroid* windowAndroid = GetWindowAndroid();
+  if (windowAndroid)
+    windowAndroid->UpdateDeviceDisplayInfo();
+
   RenderWidgetHostViewAndroid* rwhv = GetRenderWidgetHostViewAndroid();
   if (rwhv)
     rwhv->UpdateScreenInfo(GetViewAndroid());
 
   static_cast<WebContentsImpl*>(web_contents())->
       screen_orientation_dispatcher_host()->OnOrientationChange();
 }
 
 void ContentViewCoreImpl::ExtractSmartClipData(JNIEnv* env,
                                                jobject obj,
@@ skipping 141 matching lines @@
     return NULL;
 
   return view->GetJavaObject().Release();
 }
 
 bool RegisterContentViewCore(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 }  // namespace content