Adding WebContent-free Download

content/browser/download/download_resource_handler.h

Index: content/browser/download/download_resource_handler.h
diff --git a/content/browser/download/download_resource_handler.h b/content/browser/download/download_resource_handler.h
index 9c8f53dd8d2853d8fbc19edbc2c1a2be79e64761..3d037ea14970b54aea20c2546fdb7f49c6b69a11 100644
--- a/content/browser/download/download_resource_handler.h
+++ b/content/browser/download/download_resource_handler.h
@@ -9,9 +9,10 @@
 
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "content/browser/download/download_manager_impl.h"
 #include "content/browser/loader/resource_handler.h"
 #include "content/public/browser/download_interrupt_reasons.h"
-#include "content/public/browser/download_manager.h"
 #include "content/public/browser/download_save_info.h"
 #include "content/public/browser/download_url_parameters.h"
 
@@ -81,6 +82,11 @@ class CONTENT_EXPORT DownloadResourceHandler
 
   std::string DebugString() const;
 
+  void set_download_manager(
+      base::WeakPtr<DownloadManagerImpl> download_manager) {
+    download_manager_ = download_manager;
+  }
+
  private:
   ~DownloadResourceHandler() override;
 
@@ -127,6 +133,9 @@ class CONTENT_EXPORT DownloadResourceHandler
   // For DCHECKing
   bool on_response_started_called_;
 
+  // DownloadManager passed in by the owner of DownloadResourceHandler.
+  base::WeakPtr<DownloadManagerImpl> download_manager_;
+
   static const int kReadBufSize = 32768;  // bytes
   static const int kThrottleTimeMs = 200;  // milliseconds