Move download_types.h to content/public and rename it to match the one struct that's in it. Also move that struct to the content namespace.

BUG=98716
Review URL: https://chromiumcodereview.appspot.com/9694044

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@126435 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/content/browser/download/download_manager_impl.cc b/content/browser/download/download_manager_impl.cc
index 446ead2..2852aa0e 100644
--- a/content/browser/download/download_manager_impl.cc
+++ b/content/browser/download/download_manager_impl.cc
@@ -74,7 +74,7 @@
 
 void BeginDownload(
     const URLParams& url_params,
-    const DownloadSaveInfo& save_info,
+    const content::DownloadSaveInfo& save_info,
     ResourceDispatcherHostImpl* resource_dispatcher_host,
     const RenderParams& render_params,
     content::ResourceContext* context,
@@ -859,7 +859,7 @@
     const std::string& referrer_charset,
     bool prefer_cache,
     int64 post_id,
-    const DownloadSaveInfo& save_info,
+    const content::DownloadSaveInfo& save_info,
     WebContents* web_contents,
     const OnStartedCallback& callback) {
   ResourceDispatcherHostImpl* resource_dispatcher_host =