Support for adding save page download items into downloads history.

chrome/browser/download/save_package.h

Index: chrome/browser/download/save_package.h
===================================================================
--- chrome/browser/download/save_package.h	(revision 91326)
+++ chrome/browser/download/save_package.h	(working copy)
@@ -16,12 +16,11 @@
 #include "base/hash_tables.h"
 #include "base/memory/ref_counted.h"
 #include "base/task.h"
+#include "chrome/browser/download/download_manager.h"
 #include "chrome/browser/ui/shell_dialogs.h"
 #include "content/browser/tab_contents/tab_contents_observer.h"
 #include "googleurl/src/gurl.h"
 
-class DownloadItem;
-class DownloadManager;
 class GURL;
 class MessageLoop;
 class PrefService;
@@ -53,7 +52,8 @@
 // saving job, and exist for the duration of one tab's life time.
 class SavePackage : public base::RefCountedThreadSafe<SavePackage>,
                     public TabContentsObserver,
-                    public SelectFileDialog::Listener {
+                    public SelectFileDialog::Listener,
+                    public DownloadManager::Observer {
  public:
   enum SavePackageType {
     // The value of the save type before its set by the user.
@@ -139,10 +139,17 @@
   // have the specified MIME type.
   static bool IsSavableContents(const std::string& contents_mime_type);
 
-  // SelectFileDialog::Listener ------------------------------------------------
-  virtual void FileSelected(const FilePath& path, int index, void* params);
-  virtual void FileSelectionCanceled(void* params);
+  // Interfaces ----------------------------------------------------------------
 
+  // SelectFileDialog::Listener.
+  virtual void FileSelected(const FilePath& path,
+      int index, void* params) OVERRIDE;
+  virtual void FileSelectionCanceled(void* params) OVERRIDE;
+
+  // DownloadManager::Observer.
+  virtual void ModelChanged() OVERRIDE {}
+  virtual void ManagerGoingDown() OVERRIDE;
+
  private:
   friend class base::RefCountedThreadSafe<SavePackage>;
 
@@ -162,7 +169,7 @@
   void DoSavingProcess();
 
   // TabContentsObserver implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message);
+  virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // Return max length of a path for a specific base directory.
   // This is needed on POSIX, which restrict the length of file names in
@@ -252,6 +259,9 @@
   static const FilePath::CharType* ExtensionForMimeType(
       const std::string& contents_mime_type);
 
+  // Callback when Save Page As entry is commited to the history system.
+  void OnDownloadEntryAdded(int32 download_id, int64 db_handle);
+
   // Owning TabContentsWrapper.
   TabContentsWrapper* wrapper_;
 
@@ -315,6 +325,8 @@
   // For managing select file dialogs.
   scoped_refptr<SelectFileDialog> select_file_dialog_;
 
+  DownloadManager* download_manager_;
+
   friend class SavePackageTest;
   FRIEND_TEST_ALL_PREFIXES(SavePackageTest, TestSuggestedSaveNames);
   FRIEND_TEST_ALL_PREFIXES(SavePackageTest, TestLongSafePureFilename);