Refactored the PPB_Flash_File_ModuleLocal/FileRef to the new ppapi resource model

ppapi/proxy/serialized_structs.h

Index: ppapi/proxy/serialized_structs.h
diff --git a/ppapi/proxy/serialized_structs.h b/ppapi/proxy/serialized_structs.h
index 04d7f5d1cea8fbc972ba381ba09f0d961ed2ff51..bdc1b678bc5b1b8370c3aeaa7d9c3308f7a770cc 100644
--- a/ppapi/proxy/serialized_structs.h
+++ b/ppapi/proxy/serialized_structs.h
@@ -91,7 +91,7 @@ struct PPBURLLoader_UpdateProgress_Params {
 // them in NaClIPCAdapter for use in NaCl.
 class PPAPI_PROXY_EXPORT SerializedHandle {
  public:
-  enum Type { INVALID, SHARED_MEMORY, SOCKET, CHANNEL_HANDLE };
+  enum Type { INVALID, SHARED_MEMORY, SOCKET, CHANNEL_HANDLE, FILE };
   struct Header {
     Header() : type(INVALID), size(0) {}
     Header(Type type_arg, uint32_t size_arg)
@@ -108,7 +108,7 @@ class PPAPI_PROXY_EXPORT SerializedHandle {
   // Create a shared memory handle.
   SerializedHandle(const base::SharedMemoryHandle& handle, uint32_t size);
 
-  // Create a socket or channel handle.
+  // Create a socket, channel or file handle.
   SerializedHandle(const Type type,
                    const IPC::PlatformFileForTransit& descriptor);
 
@@ -116,6 +116,7 @@ class PPAPI_PROXY_EXPORT SerializedHandle {
   bool is_shmem() const { return type_ == SHARED_MEMORY; }
   bool is_socket() const { return type_ == SOCKET; }
   bool is_channel_handle() const { return type_ == CHANNEL_HANDLE; }
+  bool is_file() const { return type_ == FILE; }
   const base::SharedMemoryHandle& shmem() const {
     DCHECK(is_shmem());
     return shm_handle_;
@@ -125,7 +126,7 @@ class PPAPI_PROXY_EXPORT SerializedHandle {
     return size_;
   }
   const IPC::PlatformFileForTransit& descriptor() const {
-    DCHECK(is_socket() || is_channel_handle());
+    DCHECK(is_socket() || is_channel_handle() || is_file());
     return descriptor_;
   }
   void set_shmem(const base::SharedMemoryHandle& handle, uint32_t size) {
@@ -149,6 +150,13 @@ class PPAPI_PROXY_EXPORT SerializedHandle {
     shm_handle_ = base::SharedMemory::NULLHandle();
     size_ = 0;
   }
+  void set_file_handle(const IPC::PlatformFileForTransit& descriptor) {
+    type_ = FILE;
+
+    descriptor_ = descriptor;
+    shm_handle_ = base::SharedMemory::NULLHandle();
+    size_ = 0;
+  }
   void set_null_shmem() {
     set_shmem(base::SharedMemory::NULLHandle(), 0);
   }
@@ -158,6 +166,9 @@ class PPAPI_PROXY_EXPORT SerializedHandle {
   void set_null_channel_handle() {
     set_channel_handle(IPC::InvalidPlatformFileForTransit());
   }
+  void set_null_file_handle() {
+    set_file_handle(IPC::InvalidPlatformFileForTransit());
+  }
   bool IsHandleValid() const;
 
   Header header() const {