chromeos: Send the frame origin to the CdmFactoryDaemon

This adds a parameter to CreateCdm so we can pass the origin to the
CdmFactoryDaemon so it can use proper per-site identifiers in
provisioning requests.

BUG=b:153111783
TEST=Verified with corresponding ChromeOS change that origin is sent

Change-Id: Ic2cfbdf54feb173969bee7377acdc244422eccff
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2613944
Commit-Queue: Jeffrey Kardatzke <jkardatzke@google.com>
Reviewed-by: Xiaohan Wang <xhwang@chromium.org>
Reviewed-by: Dominick Ng <dominickn@chromium.org>
Auto-Submit: Jeffrey Kardatzke <jkardatzke@google.com>
Cr-Commit-Position: refs/heads/master@{#841311}

chromeos/components/cdm_factory_daemon/chromeos_cdm_factory.cc

@@ -227,11 +227,14 @@ void ChromeOsCdmFactory::CreateCdm(
           &GetOutputProtectionOnTaskRunner,
           output_protection_remote.InitWithNewPipeAndPassReceiver()));
 
+  url::Origin cdm_origin;
+  frame_interfaces_->GetCdmOrigin(&cdm_origin);
+
   // Now create the remote CDM instance that links everything up.
-  remote_factory_->CreateCdm(cdm->GetClientInterface(),
-                             std::move(storage_remote),
-                             std::move(cros_cdm_pending_receiver),
-                             std::move(output_protection_remote));
+  remote_factory_->CreateCdm(
+      cdm->GetClientInterface(), std::move(storage_remote),
+      std::move(output_protection_remote), cdm_origin.host(),
+      std::move(cros_cdm_pending_receiver));
 
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::BindOnce(std::move(cdm_created_cb), std::move(cdm), ""));

chromeos/components/cdm_factory_daemon/mojom/cdm_factory_daemon.mojom

@@ -9,7 +9,7 @@
 // interface can also be used to connect directly to the OEMCrypto
 // implementation for ARC.
 
-// Next MinVersion: 3
+// Next MinVersion: 4
 
 module chromeos.cdm.mojom;
 
@@ -22,20 +22,23 @@ import "components/arc/mojom/protected_buffer_manager.mojom";
 // Next Method ID: 2
 interface CdmFactory {
   // Deprecated, do not use.
-  CreateCdmDeprecated@0(
-      pending_associated_remote<ContentDecryptionModuleClient> client,
-      pending_associated_remote<CdmStorage> storage,
-      pending_associated_receiver<ContentDecryptionModule> cdm);
-
-  // Creates a new ContentDecryptionModule instance with the corresponding
-  // client, remote storage implementation and output protection. Use an
-  // associated interface to ensure ordering and that all become invalidated at
-  // the same time.
   [MinVersion=1]
-  CreateCdm@1(pending_associated_remote<ContentDecryptionModuleClient> client,
+  CreateCdmDeprecated@1(
+              pending_associated_remote<ContentDecryptionModuleClient> client,
               pending_associated_remote<CdmStorage> storage,
               pending_associated_receiver<ContentDecryptionModule> cdm,
               pending_remote<OutputProtection> output_protection);
+
+  // Creates a new ContentDecryptionModule instance for a |host| with the
+  // corresponding |client|, remote |storage| implementation and
+  // |output_protection|. Use an associated interface to ensure ordering and
+  // that all become invalidated at the same time.
+  [MinVersion=3]
+  CreateCdm@2(pending_associated_remote<ContentDecryptionModuleClient> client,
+              pending_associated_remote<CdmStorage> storage,
+              pending_remote<OutputProtection> output_protection,
+              string host,
+              pending_associated_receiver<ContentDecryptionModule> cdm);
 };
 
 // Next Method ID: 5