Convert ASSERT(foo) to DCHECK(foo) in platform/audio

third_party/WebKit/Source/platform/audio/HRTFDatabase.cpp

Index: third_party/WebKit/Source/platform/audio/HRTFDatabase.cpp
diff --git a/third_party/WebKit/Source/platform/audio/HRTFDatabase.cpp b/third_party/WebKit/Source/platform/audio/HRTFDatabase.cpp
index 76acca8a60d76a5c204afe2b911db5787514983e..278730595e0381000a407d109809c29d5fe6a3af 100644
--- a/third_party/WebKit/Source/platform/audio/HRTFDatabase.cpp
+++ b/third_party/WebKit/Source/platform/audio/HRTFDatabase.cpp
@@ -54,7 +54,7 @@ HRTFDatabase::HRTFDatabase(float sampleRate)
        elevation += RawElevationAngleSpacing) {
     std::unique_ptr<HRTFElevation> hrtfElevation =
         HRTFElevation::createForSubject("Composite", elevation, sampleRate);
-    ASSERT(hrtfElevation.get());
+    DCHECK(hrtfElevation.get());
     if (!hrtfElevation.get())
       return;
 
@@ -103,7 +103,7 @@ void HRTFDatabase::getKernelsFromAzimuthElevation(double azimuthBlend,
     elevationIndex = m_elevations.size() - 1;
 
   HRTFElevation* hrtfElevation = m_elevations[elevationIndex].get();
-  ASSERT(hrtfElevation);
+  DCHECK(hrtfElevation);
   if (!hrtfElevation) {
     kernelL = 0;
     kernelR = 0;