Store physical backing size in ViewAndroid

content/browser/android/content_view_render_view.cc

Index: content/browser/android/content_view_render_view.cc
diff --git a/content/browser/android/content_view_render_view.cc b/content/browser/android/content_view_render_view.cc
index 1bd5d25c5a0ea0fdffbb06f6a6dab6823f1b99fe..8c4d4d3c0917815ad233cb69854eca86a92732e6 100644
--- a/content/browser/android/content_view_render_view.cc
+++ b/content/browser/android/content_view_render_view.cc
@@ -71,6 +71,17 @@ void ContentViewRenderView::SetCurrentWebContents(
                                 : scoped_refptr<cc::Layer>());
 }
 
+void ContentViewRenderView::OnPhysicalBackingSizeChanged(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj,
+    const JavaParamRef<jobject>& jweb_contents,
+    jint width,
+    jint height) {
+  WebContents* web_contents = WebContents::FromJavaWebContents(jweb_contents);
+  gfx::Size size(width, height);
+  web_contents->GetNativeView()->OnPhysicalBackingSizeChanged(size);
+}
+
 void ContentViewRenderView::SurfaceCreated(JNIEnv* env,
                                            const JavaParamRef<jobject>& obj) {
   current_surface_format_ = 0;