Hooking MHTML generation to the browser.

base/platform_file.h

Index: base/platform_file.h
diff --git a/base/platform_file.h b/base/platform_file.h
index 5b29e07fa08084360710ed84d6ada7908cb764d2..34688cedc996139ce86c9f2488d4116ddde5e509 100644
--- a/base/platform_file.h
+++ b/base/platform_file.h
@@ -16,6 +16,7 @@
 #include "base/base_api.h"
 #include "base/basictypes.h"
 #include "base/file_path.h"
+#include "base/process.h"
 #include "base/time.h"
 
 namespace base {
@@ -140,6 +141,11 @@ BASE_API bool TouchPlatformFile(PlatformFile file, const Time& last_access_time,
 // Returns some information for the given file.
 BASE_API bool GetPlatformFileInfo(PlatformFile file, PlatformFileInfo* info);
 
+// Returns a file handle equivalent to |file| that can be used in |process|.
+BASE_API PlatformFile GetFileHandleForProcess(PlatformFile file,
+                                              ProcessHandle process,
+                                              bool close_source_handle);
+
 // Use this class to pass ownership of a PlatformFile to a receiver that may or
 // may not want to accept it.  This class does not own the storage for the
 // PlatformFile.