Move MediaDeviceIDSalt from ProfileIOData to ProfileImpl.

content/browser/resource_context_impl.cc

Index: content/browser/resource_context_impl.cc
diff --git a/content/browser/resource_context_impl.cc b/content/browser/resource_context_impl.cc
index 93e2890da81d964f684b88fa027a1b694723703c..a9718edb06d980fe36b493846cefa9c18e69de74 100644
--- a/content/browser/resource_context_impl.cc
+++ b/content/browser/resource_context_impl.cc
@@ -6,11 +6,9 @@
 
 #include <stdint.h>
 
-#include "base/base64.h"
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
-#include "base/rand_util.h"
 #include "content/browser/blob_storage/chrome_blob_storage_context.h"
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/browser/loader/resource_request_info_impl.h"
@@ -28,27 +26,13 @@ const char kBlobStorageContextKeyName[] = "content_blob_storage_context";
 const char kStreamContextKeyName[] = "content_stream_context";
 const char kURLDataManagerBackendKeyName[] = "url_data_manager_backend";
 
-ResourceContext::ResourceContext()
-    : media_device_id_salt_(CreateRandomMediaDeviceIDSalt()) {
-}
+ResourceContext::ResourceContext() {}
 
 ResourceContext::~ResourceContext() {
   if (ResourceDispatcherHostImpl::Get())
     ResourceDispatcherHostImpl::Get()->CancelRequestsForContext(this);
 }
 
-std::string ResourceContext::GetMediaDeviceIDSalt() {
-  return media_device_id_salt_;
-}
-
-// static
-std::string ResourceContext::CreateRandomMediaDeviceIDSalt() {
-  std::string salt;
-  base::Base64Encode(base::RandBytesAsString(16), &salt);
-  DCHECK(!salt.empty());
-  return salt;
-}
-
 ChromeBlobStorageContext* GetChromeBlobStorageContextForResourceContext(
     const ResourceContext* resource_context) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);