Change ChildProcessSecurityPolicy to store a list of allowed flags for...

chrome/browser/child_process_security_policy.h

Index: chrome/browser/child_process_security_policy.h
===================================================================
--- chrome/browser/child_process_security_policy.h	(revision 60686)
+++ chrome/browser/child_process_security_policy.h	(working copy)
@@ -69,8 +69,14 @@
   // Whenever the user picks a file from a <input type="file"> element, the
   // browser should call this function to grant the renderer the capability to
   // upload the file to the web.
-  void GrantUploadFile(int renderer_id, const FilePath& file);
+  void GrantReadFile(int renderer_id, const FilePath& file);
 
+  // Grants certain permissions to a file. |permissions| must be a bit-set of
+  // base::PlatformFileFlags.
+  void GrantPermissionsForFile(int renderer_id,
+                               const FilePath& file,
+                               int permissions);
+
   // Grants the renderer process the capability to access URLs of the provided
   // scheme.
   void GrantScheme(int renderer_id, const std::string& scheme);
@@ -100,8 +106,14 @@
   // Before servicing a renderer's request to upload a file to the web, the
   // browser should call this method to determine whether the renderer has the
   // capability to upload the requested file.
-  bool CanUploadFile(int renderer_id, const FilePath& file);
+  bool CanReadFile(int renderer_id, const FilePath& file);
 
+  // Determins if certain permissions were granted for a file. |permissions|

[darin (slow to review), 2010/09/28 06:18:27]

nit: Determins -> Determines

+  // must be a bit-set of base::PlatformFileFlags.
+  bool HasPermissionsForFile(int renderer_id,
+                             const FilePath& file,
+                             int permissions);
+
   // Returns true if the specified renderer_id has been granted DOMUIBindings.
   // The browser should check this property before assuming the renderer is
   // allowed to use DOMUIBindings.