Store physical backing size in ViewAndroid

chrome/browser/android/vr_shell/vr_shell.cc

Index: chrome/browser/android/vr_shell/vr_shell.cc
diff --git a/chrome/browser/android/vr_shell/vr_shell.cc b/chrome/browser/android/vr_shell/vr_shell.cc
index a726bc4f4120060b0324ee8f1cc000e5acef0ea8..3fc90091852b272afe729678f89ba98ce6c06252 100644
--- a/chrome/browser/android/vr_shell/vr_shell.cc
+++ b/chrome/browser/android/vr_shell/vr_shell.cc
@@ -400,6 +400,18 @@ void VrShell::GvrDelegateReady() {
   delegate_provider_->SetPresentingDelegate(this, gvr_api_);
 }
 
+void VrShell::OnPhysicalBackingSizeChanged(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj,
+    const JavaParamRef<jobject>& jweb_contents,
+    jint width,
+    jint height) {
+  content::WebContents* web_contents =
+      content::WebContents::FromJavaWebContents(jweb_contents);
+  gfx::Size size(width, height);
+  web_contents->GetNativeView()->OnPhysicalBackingSizeChanged(size);
+}
+
 void VrShell::ContentPhysicalBoundsChanged(JNIEnv* env,
                                            const JavaParamRef<jobject>& object,
                                            jint width,