Disable download for overlay panel content

chrome/browser/android/bottombar/overlay_panel_content.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/android/bottombar/overlay_panel_content.h"
 
 #include <set>
 
 #include "base/android/jni_string.h"
 #include "base/callback.h"
@@ skipping 82 matching lines @@
       content::WebContents::FromJavaWebContents(jweb_contents);
 
   DCHECK(web_contents);
 
   // NOTE(pedrosimonetti): Takes ownership of the WebContents associated
   // with the ContentViewCore. This is to make sure that the WebContens
   // and the Compositor are in the same process.
   // TODO(pedrosimonetti): Confirm with dtrainor@ if the comment above
   // is accurate.
   web_contents_.reset(web_contents);
+
+  web_contents_->SetIsOverlayContent(true);
   // TODO(pedrosimonetti): confirm if we need this after promoting it
   // to a real tab.
   TabAndroid::AttachTabHelpers(web_contents_.get());
   web_contents_delegate_.reset(
       new web_contents_delegate_android::WebContentsDelegateAndroid(
           env, jweb_contents_delegate));
   web_contents_->SetDelegate(web_contents_delegate_.get());
   ViewAndroidHelper::FromWebContents(web_contents_.get())
       ->SetViewAndroid(web_contents_->GetNativeView());
 }
@@ skipping 22 matching lines @@
 }
 
 bool RegisterOverlayPanelContent(JNIEnv* env) {
   return RegisterNativesImpl(env);
 }
 
 jlong Init(JNIEnv* env, const JavaParamRef<jobject>& obj) {
   OverlayPanelContent* content = new OverlayPanelContent(env, obj);
   return reinterpret_cast<intptr_t>(content);
 }