Store physical backing size in ViewAndroid

chrome/browser/android/compositor/compositor_view.cc

Index: chrome/browser/android/compositor/compositor_view.cc
diff --git a/chrome/browser/android/compositor/compositor_view.cc b/chrome/browser/android/compositor/compositor_view.cc
index 5482249140cde0af9becb64b4d887e783ec4f003..4b525711cbc5f59c6f6a1e0f101bafb52872234a 100644
--- a/chrome/browser/android/compositor/compositor_view.cc
+++ b/chrome/browser/android/compositor/compositor_view.cc
@@ -167,6 +167,18 @@ void CompositorView::SurfaceChanged(JNIEnv* env,
   root_layer_->SetBounds(gfx::Size(content_width_, content_height_));
 }
 
+void CompositorView::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 CompositorView::SetLayoutBounds(JNIEnv* env,
                                      const JavaParamRef<jobject>& object) {
   root_layer_->SetBounds(gfx::Size(content_width_, content_height_));