Suppress native app install banner if the site has a manifest.

chrome/browser/android/meta_tag_observer.cc

Index: chrome/browser/android/meta_tag_observer.cc
diff --git a/chrome/browser/android/meta_tag_observer.cc b/chrome/browser/android/meta_tag_observer.cc
deleted file mode 100644
index c5db909ccf99194531bb2d205d7502991677a368..0000000000000000000000000000000000000000
--- a/chrome/browser/android/meta_tag_observer.cc
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright 2014 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/meta_tag_observer.h"
-
-#include "chrome/common/chrome_constants.h"
-#include "chrome/common/render_messages.h"
-#include "content/public/browser/render_frame_host.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/browser/web_contents_observer.h"
-
-MetaTagObserver::MetaTagObserver(const std::string& meta_tag)
-    : meta_tag_(meta_tag) {
-  if (meta_tag_.size() > chrome::kMaxMetaTagAttributeLength) {
-    VLOG(1) << "Length of the <meta> name attribute is too large.";
-    NOTREACHED();
-  }
-}
-
-MetaTagObserver::~MetaTagObserver() {
-}
-
-void MetaTagObserver::DidFinishLoad(content::RenderFrameHost* render_frame_host,
-                                    const GURL& validated_url) {
-  if (render_frame_host->GetParent())
-    return;
-  validated_url_ = validated_url;
-  Send(new ChromeViewMsg_RetrieveMetaTagContent(routing_id(),
-                                                validated_url,
-                                                meta_tag_));
-}
-
-bool MetaTagObserver::OnMessageReceived(const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(MetaTagObserver, message)
-    IPC_MESSAGE_HANDLER(ChromeViewHostMsg_DidRetrieveMetaTagContent,
-                        OnDidRetrieveMetaTagContent)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void MetaTagObserver::OnDidRetrieveMetaTagContent(
-    bool success,
-    const std::string& tag_name,
-    const std::string& tag_content,
-    const GURL& expected_url) {
-  if (!success || tag_name != meta_tag_ || validated_url_ != expected_url ||
-      tag_content.size() >= chrome::kMaxMetaTagAttributeLength) {
-    return;
-  }
-  HandleMetaTagContent(tag_content, expected_url);
-}