Basic wiring to enable downloads for CF's host browser network stack. A notable change here is that url automation job id's no longer exist and instead a request id is used. There's a 1 to 1 relation between a job and a request so this is more convenient.

Review URL: http://codereview.chromium.org/355036

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@31363 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 15 insertions, 0 deletions

diff --git a/chrome/browser/tab_contents/tab_contents.cc b/chrome/browser/tab_contents/tab_contents.cc
index 4e45553..0d2ba96 100644
--- a/chrome/browser/tab_contents/tab_contents.cc
+++ b/chrome/browser/tab_contents/tab_contents.cc
@@ -1034,6 +1034,13 @@ void TabContents::ToolbarSizeChanged(bool is_animating) {
     d->ToolbarSizeChanged(this, is_animating);
 }
 
+bool TabContents::CanDownload(int request_id) {
+  TabContentsDelegate* d = delegate();
+  if (d)
+    return d->CanDownload(request_id);
+  return true;
+}
+
 void TabContents::OnStartDownload(DownloadItem* download) {
   DCHECK(download);
 
diff --git a/chrome/browser/tab_contents/tab_contents.h b/chrome/browser/tab_contents/tab_contents.h
index ad5de2f..ee25ef3 100644
--- a/chrome/browser/tab_contents/tab_contents.h
+++ b/chrome/browser/tab_contents/tab_contents.h
@@ -435,6 +435,10 @@ class TabContents : public PageNavigator,
   // Returns whether the extension shelf should be visible.
   virtual bool IsExtensionShelfAlwaysVisible();
 
+  // Notifies the delegate that a download is about to be started.
+  // This notification is fired before a local temporary file has been created.
+  bool CanDownload(int request_id);
+
   // Notifies the delegate that a download started.
   void OnStartDownload(DownloadItem* download);
 
diff --git a/chrome/browser/tab_contents/tab_contents_delegate.h b/chrome/browser/tab_contents/tab_contents_delegate.h
index 5f084ed..f5fdfcf 100644
--- a/chrome/browser/tab_contents/tab_contents_delegate.h
+++ b/chrome/browser/tab_contents/tab_contents_delegate.h
@@ -186,6 +186,10 @@ class TabContentsDelegate {
     return 0;
   }
 
+  virtual bool CanDownload(int request_id) {
+    return true;
+  }
+
   virtual void OnStartDownload(DownloadItem* download) {
   }