Move the content-dependent RecreateLayer logic from aura::Window to RWHVA

content/browser/web_contents/web_contents_view_aura.cc

Index: content/browser/web_contents/web_contents_view_aura.cc
diff --git a/content/browser/web_contents/web_contents_view_aura.cc b/content/browser/web_contents/web_contents_view_aura.cc
index 13d14f7ecc87b1ce8ca140466d862c5da35e4529..90e2d77ab0c94ce89d468c6b55f86aef8550ab30 100644
--- a/content/browser/web_contents/web_contents_view_aura.cc
+++ b/content/browser/web_contents/web_contents_view_aura.cc
@@ -1536,11 +1536,8 @@ bool WebContentsViewAura::HasHitTestMask() const {
 void WebContentsViewAura::GetHitTestMask(gfx::Path* mask) const {
 }
 
-scoped_refptr<ui::Texture> WebContentsViewAura::CopyTexture() {
-  // The layer we create doesn't have an external texture, so this should never
-  // get invoked.
-  NOTREACHED();
-  return scoped_refptr<ui::Texture>();
+void WebContentsViewAura::DidRecreateLayer(ui::Layer *old_layer,
+                                           ui::Layer *new_layer) {
 }
 
 ////////////////////////////////////////////////////////////////////////////////