Remove PNaCl's RequestFirstInstall, use resource throttle instead

ppapi/native_client/src/trusted/plugin/pnacl_coordinator.cc

Index: ppapi/native_client/src/trusted/plugin/pnacl_coordinator.cc
diff --git a/ppapi/native_client/src/trusted/plugin/pnacl_coordinator.cc b/ppapi/native_client/src/trusted/plugin/pnacl_coordinator.cc
index 860a67ebacd78d359e5433ea9f2d949c0d562184..0bc8b8ec07a75eccc45cc9604c9974d35bbc02be 100644
--- a/ppapi/native_client/src/trusted/plugin/pnacl_coordinator.cc
+++ b/ppapi/native_client/src/trusted/plugin/pnacl_coordinator.cc
@@ -426,30 +426,6 @@ void PnaclCoordinator::NexeReadDidOpen(int32_t pp_error) {
   translate_notify_callback_.Run(pp_error);
 }
 
-void PnaclCoordinator::DidCheckPnaclInstalled(int32_t pp_error) {
-  if (pp_error != PP_OK) {
-    ReportNonPpapiError(
-        ERROR_PNACL_RESOURCE_FETCH,
-        nacl::string("The Portable Native Client (pnacl) component is not "
-                     "installed. Please consult chrome://components for more "
-                     "information."));
-    return;
-  }
-
-  // Loading resources (e.g. llc and ld nexes) is done with PnaclResources.
-  resources_.reset(new PnaclResources(plugin_,
-                                      this,
-                                      this->manifest_.get()));
-  CHECK(resources_ != NULL);
-
-  // The first step of loading resources: read the resource info file.
-  pp::CompletionCallback resource_info_read_cb =
-      callback_factory_.NewCallback(
-          &PnaclCoordinator::ResourceInfoWasRead);
-  resources_->ReadResourceInfo(PnaclUrls::GetResourceInfoUrl(),
-                               resource_info_read_cb);
-}
-
 void PnaclCoordinator::ResourceInfoWasRead(int32_t pp_error) {
   PLUGIN_PRINTF(("PluginCoordinator::ResourceInfoWasRead (pp_error=%"
                 NACL_PRId32 ")\n", pp_error));
@@ -539,14 +515,17 @@ void PnaclCoordinator::BitcodeStreamDidOpen(int32_t pp_error) {
     return;
   }
 
-  // Now that we've started the url request for the response headers and
-  // for tickling the component updater's On-Demand API, check that the
-  // compiler is present, or block until it is present or an error is hit.
-  pp::CompletionCallback pnacl_installed_cb =
-      callback_factory_.NewCallback(&PnaclCoordinator::DidCheckPnaclInstalled);
-  plugin_->nacl_interface()->EnsurePnaclInstalled(
-      plugin_->pp_instance(),
-      pnacl_installed_cb.pp_completion_callback());
+  // The component updater's resource throttles + OnDemand update/install
+  // should block the URL request until the compiler is present. Now we
+  // can load the resources (e.g. llc and ld nexes).
+  resources_.reset(new PnaclResources(plugin_, this, this->manifest_.get()));
+  CHECK(resources_ != NULL);
+
+  // The first step of loading resources: read the resource info file.
+  pp::CompletionCallback resource_info_read_cb =
+      callback_factory_.NewCallback(&PnaclCoordinator::ResourceInfoWasRead);
+  resources_->ReadResourceInfo(PnaclUrls::GetResourceInfoUrl(),
+                               resource_info_read_cb);
 }
 
 void PnaclCoordinator::NexeFdDidOpen(int32_t pp_error) {