Implement the file chooser as a new resource "host"

ppapi/proxy/ppapi_proxy_test.cc

Index: ppapi/proxy/ppapi_proxy_test.cc
diff --git a/ppapi/proxy/ppapi_proxy_test.cc b/ppapi/proxy/ppapi_proxy_test.cc
index ac5b535ff88bf889651d05a3419927d3ab5ec48d..8083c75c4be0e275d1ae80512c265ba67c0e2d60 100644
--- a/ppapi/proxy/ppapi_proxy_test.cc
+++ b/ppapi/proxy/ppapi_proxy_test.cc
@@ -406,6 +406,56 @@ void TwoWayTest::TearDown() {
   io_thread_.Stop();
 }
 
+// ScopedPPResource -----------------------------------------------------------
+
+/*
+ScopedPPResource::ScopedPPResource() : resource_(0) {
+}
+
+ScopedPPResource::ScopedPPResource(PP_Resource r) : resource_(r) {
+}
+
+ScopedPPResource::ScopedPPResource(const ScopedPPResource& other)
+    : resource_(other.resource_) {
+  PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(resource_);
+}
+
+ScopedPPResource::~ScopedPPResource() {
+  PpapiGlobals::Get()->GetResourceTracker()->ReleaseResource(resource_);
+}
+
+ScopedPPResource& ScopedPPResource::operator=(PP_Resource r) {
+  if (r)
+    PpapiGlobals::Get()->GetResourceTracker()->AddRefResource(r);
+  if (resource_)
+    PpapiGlobals::Get()->GetResourceTracker()->ReleaseResource(resource_);
+  resource_ = r;
+  return *this;
+}
+*/
+// ScopedPPVar ----------------------------------------------------------------
+
+ScopedPPVar::ScopedPPVar() : var_(PP_MakeUndefined()) {
+}
+
+ScopedPPVar::ScopedPPVar(const PP_Var& v) : var_(v) {
+}
+
+ScopedPPVar::ScopedPPVar(const ScopedPPVar& other)
+    : var_(other.var_) {
+  PpapiGlobals::Get()->GetVarTracker()->AddRefVar(var_);
+}
+
+ScopedPPVar::~ScopedPPVar() {
+  PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(var_);
+}
+
+ScopedPPVar& ScopedPPVar::operator=(const PP_Var& v) {
+  PpapiGlobals::Get()->GetVarTracker()->AddRefVar(v);
+  PpapiGlobals::Get()->GetVarTracker()->ReleaseVar(var_);
+  var_ = v;
+  return *this;
+}
 
 }  // namespace proxy
 }  // namespace ppapi