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chrome/browser/download/download_target_determiner_delegate.h

Index: chrome/browser/download/download_target_determiner_delegate.h
diff --git a/chrome/browser/download/download_target_determiner_delegate.h b/chrome/browser/download/download_target_determiner_delegate.h
index 68271ffc51a2d70e4a311162d2ad5ee736e9612a..f2aeec6f03625bf71cb9a3a1461f2bd68d700f88 100644
--- a/chrome/browser/download/download_target_determiner_delegate.h
+++ b/chrome/browser/download/download_target_determiner_delegate.h
@@ -62,6 +62,11 @@ class DownloadTargetDeterminerDelegate {
   typedef base::Callback<void(content::DownloadDangerType danger_type)>
   CheckDownloadUrlCallback;
 
+  // Callback to be invoked after GetFileMimeType() completes. The parameter
+  // should be the MIME type of the requested file. If no MIME type can be
+  // determined, it should be set to the empty string.
+  typedef base::Callback<void(const std::string&)> GetFileMimeTypeCallback;
+
   // Notifies extensions of the impending filename determination. |virtual_path|
   // is the current suggested virtual path. The |callback| should be invoked to
   // indicate whether any extensions wish to override the path.
@@ -110,6 +115,9 @@ class DownloadTargetDeterminerDelegate {
                                 const base::FilePath& virtual_path,
                                 const CheckDownloadUrlCallback& callback) = 0;
 
+  // Get the MIME type for the given file.
+  virtual void GetFileMimeType(const base::FilePath& path,
+                               const GetFileMimeTypeCallback& callback) = 0;
  protected:
   virtual ~DownloadTargetDeterminerDelegate();
 };