Store physical backing size in ViewAndroid

content/browser/web_contents/web_contents_view_android.cc

 // Copyright (c) 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/web_contents/web_contents_view_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "base/logging.h"
 #include "cc/layers/layer.h"
@@ skipping 383 matching lines @@
   web_contents_->GetRenderWidgetHostView()->Focus();
 }
 
 bool WebContentsViewAndroid::OnTouchEvent(const ui::MotionEventAndroid& event,
                                           bool for_touch_handle) {
   if (event.GetAction() == ui::MotionEventAndroid::ACTION_DOWN)
     content_view_core_->OnTouchDown(event.GetJavaObject());
   return false;  // let the children handle the actual event.
 }
 
+bool WebContentsViewAndroid::OnPhysicalBackingSizeChanged() {
+  if (web_contents_->GetRenderWidgetHostView()) {
+    // |SendScreenRects()| indirectly calls GetViewSize() that asks Java layer.
+    web_contents_->SendScreenRects();
+    return false;
+  }
+  return true;
+}
+
 } // namespace content