Switch to double for time calculations using playback rate.

media/renderers/audio_renderer_impl_unittest.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 "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/format_macros.h"
 #include "base/run_loop.h"
 #include "base/strings/stringprintf.h"
 #include "media/base/audio_buffer_converter.h"
@@ skipping 194 matching lines @@
     // Fill entire buffer to complete prerolling.
     renderer_->SetMediaTime(start_timestamp);
     renderer_->StartPlaying();
     WaitForPendingRead();
     EXPECT_CALL(*this, OnBufferingStateChange(BUFFERING_HAVE_ENOUGH));
     DeliverRemainingAudio();
   }
 
   void StartTicking() {
     renderer_->StartTicking();
-    renderer_->SetPlaybackRate(1.0f);
+    renderer_->SetPlaybackRate(1.0);
   }
 
   void StopTicking() { renderer_->StopTicking(); }
 
   bool IsReadPending() const {
     return !decode_cb_.is_null();
   }
 
   void WaitForPendingRead() {
     SCOPED_TRACE("WaitForPendingRead()");
@@ skipping 488 matching lines @@
 }
 
 // Test for AudioRendererImpl calling Pause()/Play() on the sink when the
 // playback rate is set to zero and non-zero.
 TEST_F(AudioRendererImplTest, SetPlaybackRate) {
   Initialize();
   Preroll();
 
   // Rendering hasn't started. Sink should always be paused.
   EXPECT_EQ(FakeAudioRendererSink::kPaused, sink_->state());
-  renderer_->SetPlaybackRate(0.0f);
+  renderer_->SetPlaybackRate(0.0);
   EXPECT_EQ(FakeAudioRendererSink::kPaused, sink_->state());
-  renderer_->SetPlaybackRate(1.0f);
+  renderer_->SetPlaybackRate(1.0);
   EXPECT_EQ(FakeAudioRendererSink::kPaused, sink_->state());
 
   // Rendering has started with non-zero rate. Rate changes will affect sink
   // state.
   renderer_->StartTicking();
   EXPECT_EQ(FakeAudioRendererSink::kPlaying, sink_->state());
-  renderer_->SetPlaybackRate(0.0f);
+  renderer_->SetPlaybackRate(0.0);
   EXPECT_EQ(FakeAudioRendererSink::kPaused, sink_->state());
-  renderer_->SetPlaybackRate(1.0f);
+  renderer_->SetPlaybackRate(1.0);
   EXPECT_EQ(FakeAudioRendererSink::kPlaying, sink_->state());
 
   // Rendering has stopped. Sink should be paused.
   renderer_->StopTicking();
   EXPECT_EQ(FakeAudioRendererSink::kPaused, sink_->state());
 
   // Start rendering with zero playback rate. Sink should be paused until
   // non-zero rate is set.
-  renderer_->SetPlaybackRate(0.0f);
+  renderer_->SetPlaybackRate(0.0);
   renderer_->StartTicking();
   EXPECT_EQ(FakeAudioRendererSink::kPaused, sink_->state());
-  renderer_->SetPlaybackRate(1.0f);
+  renderer_->SetPlaybackRate(1.0);
   EXPECT_EQ(FakeAudioRendererSink::kPlaying, sink_->state());
 }
 
 }  // namespace media