Open pepper files directly in browser.

content/browser/renderer_host/pepper_file_message_filter.h

Index: content/browser/renderer_host/pepper_file_message_filter.h
===================================================================
--- content/browser/renderer_host/pepper_file_message_filter.h	(revision 138610)
+++ content/browser/renderer_host/pepper_file_message_filter.h	(working copy)
@@ -31,8 +31,7 @@
 // A message filter for Pepper-specific File I/O messages.
 class PepperFileMessageFilter : public content::BrowserMessageFilter {
  public:
-  PepperFileMessageFilter(int child_id,
-                          content::BrowserContext* browser_context);
+  explicit PepperFileMessageFilter(int child_id);
 
   // content::BrowserMessageFilter methods:
   virtual void OverrideThreadForMessage(
@@ -78,7 +77,7 @@
 
   // Validate and convert the Pepper file path to a "real" |FilePath|. Returns
   // an empty |FilePath| on error.
-  FilePath ValidateAndConvertPepperFilePath(
+  virtual FilePath ValidateAndConvertPepperFilePath(
       const webkit::ppapi::PepperFilePath& pepper_path, int flags);
 
   // The ID of the child process.
@@ -88,10 +87,27 @@
   // owned by this class.
   IPC::Channel* channel_;
 
-  // The base path for the pepper data.
-  FilePath pepper_path_;
-
   DISALLOW_COPY_AND_ASSIGN(PepperFileMessageFilter);
 };
 
+// Class for out-of-process plugins providing relaxed path validation.
+class PepperTrustedFileMessageFilter : public PepperFileMessageFilter {
+ public:
+  PepperTrustedFileMessageFilter(int child_id,
+                                 const std::string& plugin_name,
+                                 const FilePath& profile_data_directory);
+
+ protected:
+  virtual ~PepperTrustedFileMessageFilter();
+
+ private:
+  virtual FilePath ValidateAndConvertPepperFilePath(
+      const webkit::ppapi::PepperFilePath& pepper_path, int flags) OVERRIDE;
+
+  // The path to the per-plugin directory under the per-profile data directory.
+  FilePath plugin_data_directory_;
+
+  DISALLOW_COPY_AND_ASSIGN(PepperTrustedFileMessageFilter);
+};
+
 #endif  // CONTENT_BROWSER_RENDERER_HOST_PEPPER_FILE_MESSAGE_FILTER_H_