RELEASE_ASSERT -> CHECK and ASSERT -> DCHECK in web.

third_party/WebKit/Source/web/WebMediaDevicesRequest.cpp

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 31 matching lines @@
 {
 }
 
 void WebMediaDevicesRequest::reset()
 {
     m_private.reset();
 }
 
 WebSecurityOrigin WebMediaDevicesRequest::getSecurityOrigin() const
 {
-    ASSERT(!isNull() && m_private->getExecutionContext());
+    DCHECK(!isNull() && m_private->getExecutionContext());

[tkent, 2016/03/31 23:05:21]

Please split this into two.
    DCHECK(!isNull());
    DCHECK(m_private->getExecutionContext());

     return WebSecurityOrigin(m_private->getExecutionContext()->getSecurityOrigin());
 }
 
 WebDocument WebMediaDevicesRequest::ownerDocument() const
 {
-    ASSERT(!isNull());
+    DCHECK(!isNull());
     return WebDocument(m_private->ownerDocument());
 }
 
 void WebMediaDevicesRequest::requestSucceeded(WebVector<WebMediaDeviceInfo> webDevices)
 {
-    ASSERT(!isNull());
+    DCHECK(!isNull());
 
     MediaDeviceInfoVector devices(webDevices.size());
     for (size_t i = 0; i < webDevices.size(); ++i)
         devices[i] = MediaDeviceInfo::create(webDevices[i]);
 
     m_private->succeed(devices);
 }
 
 bool WebMediaDevicesRequest::equals(const WebMediaDevicesRequest& other) const
 {
     if (isNull() || other.isNull())
         return false;
     return m_private.get() == other.m_private.get();
 }
 
 void WebMediaDevicesRequest::assign(const WebMediaDevicesRequest& other)
 {
     m_private = other.m_private;
 }
 
 WebMediaDevicesRequest::operator MediaDevicesRequest*() const
 {
     return m_private.get();
 }
 
 } // namespace blink