Convert resources to take an instance key instead of an Instance*.

ppapi/cpp/private/flash_clipboard.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ppapi/cpp/private/flash_clipboard.h"
 
 #include <vector>
 
 #include "ppapi/c/pp_bool.h"
 #include "ppapi/c/pp_errors.h"
-#include "ppapi/cpp/instance.h"
+#include "ppapi/cpp/instance_handle.h"
 #include "ppapi/cpp/module_impl.h"
 #include "ppapi/cpp/var.h"
 
 namespace pp {
 
 namespace {
 
 template <> const char* interface_name<PPB_Flash_Clipboard>() {
   return PPB_FLASH_CLIPBOARD_INTERFACE;
 }
 
 template <> const char* interface_name<PPB_Flash_Clipboard_3_0>() {
   return PPB_FLASH_CLIPBOARD_INTERFACE_3_0;
 }
 
 }  // namespace
 
 namespace flash {
 
 // static
 bool Clipboard::IsAvailable() {
   return has_interface<PPB_Flash_Clipboard>() ||
       has_interface<PPB_Flash_Clipboard_3_0>();
 }
 
 // static
-bool Clipboard::IsFormatAvailable(Instance* instance,
+bool Clipboard::IsFormatAvailable(const InstanceHandle& instance,
                                   PP_Flash_Clipboard_Type clipboard_type,
                                   PP_Flash_Clipboard_Format format) {
   bool rv = false;
   if (has_interface<PPB_Flash_Clipboard>()) {
     rv = PP_ToBool(get_interface<PPB_Flash_Clipboard>()->IsFormatAvailable(
-        instance->pp_instance(), clipboard_type, format));
+        instance.pp_instance(), clipboard_type, format));
   }
   return rv;
 }
 
 // static
 bool Clipboard::ReadData(
-    Instance* instance,
+    const InstanceHandle& instance,
     PP_Flash_Clipboard_Type clipboard_type,
     PP_Flash_Clipboard_Format clipboard_format,
     Var* out) {
   bool rv = false;
   if (has_interface<PPB_Flash_Clipboard>()) {
     PP_Var result = get_interface<PPB_Flash_Clipboard>()->ReadData(
-        instance->pp_instance(),
+        instance.pp_instance(),
         clipboard_type,
         clipboard_format);
-    *out = Var(Var::PassRef(), result);
+    *out = Var(PASS_REF, result);
     rv = true;
   } else if (has_interface<PPB_Flash_Clipboard_3_0>() &&
              clipboard_format == PP_FLASH_CLIPBOARD_FORMAT_PLAINTEXT) {
     PP_Var result = get_interface<PPB_Flash_Clipboard_3_0>()->ReadPlainText(
-        instance->pp_instance(),
+        instance.pp_instance(),
         clipboard_type);
-    *out = Var(Var::PassRef(), result);
+    *out = Var(PASS_REF, result);
     rv = true;
   }
   return rv;
 }
 
 // static
 bool Clipboard::WriteData(
-    Instance* instance,
+    const InstanceHandle& instance,
     PP_Flash_Clipboard_Type clipboard_type,
     const std::vector<PP_Flash_Clipboard_Format>& formats,
     const std::vector<Var>& data_items) {
   if (formats.size() != data_items.size())
     return false;
 
   bool rv = false;
   if (has_interface<PPB_Flash_Clipboard>()) {
     // Convert vector of pp::Var into a vector of PP_Var.
     std::vector<PP_Var> data_items_vector;
     for (uint32_t i = 0; i < data_items.size(); ++i)
       data_items_vector.push_back(data_items[i].pp_var());
 
     // Ensure that we don't dereference the memory in empty vectors. We still
     // want to call WriteData because it has the effect of clearing the
     // clipboard.
     const PP_Flash_Clipboard_Format* formats_ptr(NULL);
     const PP_Var* data_items_ptr(NULL);
     if (data_items.size() > 0) {
       formats_ptr = &formats[0];
       data_items_ptr = &data_items_vector[0];
     }
 
     rv = (get_interface<PPB_Flash_Clipboard>()->WriteData(
-        instance->pp_instance(),
+        instance.pp_instance(),
         clipboard_type,
         data_items.size(),
         formats_ptr,
         data_items_ptr) == PP_OK);
   } else if (has_interface<PPB_Flash_Clipboard_3_0>()) {
     // The API specifies that only the last item of each format needs to be
     // written. Since we are only writing plain text items for the 3_0
     // interface, we just need to write the last one in the array.
     for (int32_t i = formats.size() - 1; i >= 0; --i) {
       if (formats[i] == PP_FLASH_CLIPBOARD_FORMAT_PLAINTEXT) {
         rv = (get_interface<PPB_Flash_Clipboard_3_0>()->WritePlainText(
-            instance->pp_instance(),
+            instance.pp_instance(),
             clipboard_type,
             data_items[i].pp_var()) == PP_OK);
         break;
       }
     }
   }
 
   return rv;
 }
 
 }  // namespace flash
 }  // namespace pp