EME: Remove all references to `needkey` except the UMA name.

media/test/pipeline_integration_test.cc

 // Copyright (c) 2012 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 <stddef.h>
 #include <stdint.h>
 #include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 265 matching lines @@
     Decryptor* decryptor_;
   };
 
   scoped_refptr<AesDecryptor> decryptor_;
   TestCdmContext cdm_context_;
   scoped_ptr<AppBase> app_;
 };
 
 enum PromiseResult { RESOLVED, REJECTED };
 
-// Provides |kSecretKey| in response to needkey.
+// Provides |kSecretKey| in response to the encrypted event.
 class KeyProvidingApp : public FakeEncryptedMedia::AppBase {
  public:
   KeyProvidingApp() {}
 
   void OnResolveWithSession(PromiseResult expected,
                             const std::string& session_id) {
     EXPECT_EQ(expected, RESOLVED);
     EXPECT_GT(session_id.length(), 0ul);
     current_session_id_ = session_id;
   }
@@ skipping 139 matching lines @@
         std::rotate(key->begin(), key->begin() + pos, key->end());
         return true;
       }
     }
     return false;
   }
 
   uint32_t num_distinct_need_key_calls_;
 };
 
-// Ignores needkey and does not perform a license request
+// Ignores the encrypted event and does not perform a license request.
 class NoResponseApp : public FakeEncryptedMedia::AppBase {
  public:
   void OnSessionMessage(const std::string& session_id,
                         MediaKeys::MessageType message_type,
                         const std::vector<uint8_t>& message,
                         const GURL& legacy_destination_url,
                         AesDecryptor* decryptor) override {
     EXPECT_FALSE(session_id.empty());
     EXPECT_FALSE(message.empty());
     FAIL() << "Unexpected Message";
@@ skipping 1563 matching lines @@
 
 TEST_F(PipelineIntegrationTest, BasicPlaybackPositiveStartTime) {
   ASSERT_EQ(PIPELINE_OK, Start("nonzero-start-time.webm"));
   Play();
   ASSERT_TRUE(WaitUntilOnEnded());
   ASSERT_EQ(base::TimeDelta::FromMicroseconds(396000),
             demuxer_->GetStartTime());
 }
 
 }  // namespace media