Move DownloadControllerAndroid from content/ to chrome/

content/browser/web_contents/web_contents_impl.cc

Index: content/browser/web_contents/web_contents_impl.cc
diff --git a/content/browser/web_contents/web_contents_impl.cc b/content/browser/web_contents/web_contents_impl.cc
index 321514a587192ec92ec6c9091cccbb64ce429ac1..8f1c1a18eeaffa89b2c3541c01c32d75568c3f43 100644
--- a/content/browser/web_contents/web_contents_impl.cc
+++ b/content/browser/web_contents/web_contents_impl.cc
@@ -4824,6 +4824,15 @@ bool WebContentsImpl::CreateRenderViewForInitialEmptyDocument() {
       frame_tree_.root()->current_replication_state());
 }
 
+
+void WebContentsImpl::SetDownloadDelegate(DownloadDelegate* delegate) {
+  GetWebContentsAndroid()->SetDownloadDelegate(delegate);
+}
+
+DownloadDelegate* WebContentsImpl::GetDownloadDelegate() {
+  return GetWebContentsAndroid()->GetDownloadDelegate();
+}
+
 #elif defined(OS_MACOSX)
 
 void WebContentsImpl::SetAllowOtherViews(bool allow) {