Revert 239759 "The comment in base64.h implies that base::Base64..."

trunk/src/chrome/browser/media/desktop_streams_registry.cc

 // Copyright 2013 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 "chrome/browser/media/desktop_streams_registry.h"
 
 #include "base/base64.h"
 #include "base/location.h"
 #include "base/time/time.h"
 #include "content/public/browser/browser_thread.h"
 #include "crypto/random.h"
 
 namespace {
 
 const int kStreamIdLengthBytes = 16;
 
 const int kApprovedStreamTimeToLiveSeconds = 10;
 
 std::string GenerateRandomStreamId() {
   char buffer[kStreamIdLengthBytes];
   crypto::RandBytes(buffer, arraysize(buffer));
   std::string result;
-  base::Base64Encode(base::StringPiece(buffer, arraysize(buffer)),
-                     &result);
+  if (!base::Base64Encode(base::StringPiece(buffer, arraysize(buffer)),
+                          &result)) {
+    LOG(FATAL) << "Base64Encode failed.";
+  }
   return result;
 }
 
 }  // namespace
 
 DesktopStreamsRegistry::DesktopStreamsRegistry() {}
 DesktopStreamsRegistry::~DesktopStreamsRegistry() {}
 
 std::string DesktopStreamsRegistry::RegisterStream(
     int render_process_id,
@@ skipping 38 matching lines @@
 
   content::DesktopMediaID result = it->second.source;
   approved_streams_.erase(it);
   return result;
 }
 
 void DesktopStreamsRegistry::CleanupStream(const std::string& id) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   approved_streams_.erase(id);
 }