Add DownloadControllerAndroid public interface for android.

chrome/browser/android/chrome_web_contents_delegate_android.cc

 // Copyright (c) 2012 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/chrome_web_contents_delegate_android.h"
 
 #include "base/android/jni_android.h"
 #include "chrome/browser/file_select_helper.h"
 #include "chrome/browser/ui/app_modal_dialogs/javascript_dialog_creator.h"
 #include "chrome/browser/ui/find_bar/find_match_rects_details.h"
 #include "chrome/browser/ui/find_bar/find_notification_details.h"
 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
 #include "chrome/common/chrome_notification_types.h"
+#include "content/public/browser/android/download_controller_android.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/file_chooser_params.h"
 #include "jni/ChromeWebContentsDelegateAndroid_jni.h"
+#include "net/http/http_request_headers.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/rect_f.h"
 
 using base::android::AttachCurrentThread;
 using base::android::GetClass;
 using base::android::ScopedJavaLocalRef;
 using content::FileChooserParams;
 using content::WebContents;
 
 namespace {
@@ skipping 197 matching lines @@
       env,
       obj.obj(),
       details_object.obj());
 }
 
 content::JavaScriptDialogCreator*
 ChromeWebContentsDelegateAndroid::GetJavaScriptDialogCreator() {
   return GetJavaScriptDialogCreatorInstance();
 }
 
+bool ChromeWebContentsDelegateAndroid::CanDownload(
+    content::RenderViewHost* source,
+    int request_id,
+    const std::string& request_method) {
+  if (request_method == net::HttpRequestHeaders::kGetMethod) {
+    content::DownloadControllerAndroid::Get()->CreateGETDownload(
+        source, request_id);
+    return false;
+  }
+  return true;
+}
+
+void ChromeWebContentsDelegateAndroid::OnStartDownload(
+    WebContents* source,
+    content::DownloadItem* download) {
+  content::DownloadControllerAndroid::Get()->OnPostDownloadStarted(
+      source, download);
+}
+
 }  // namespace android
 }  // namespace chrome