Revert of Remove MockConstraints

components/test_runner/mock_web_user_media_client.cc

 // Copyright 2014 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 "components/test_runner/mock_web_user_media_client.h"
 
 #include <stddef.h>
 
 #include "base/logging.h"
 #include "base/macros.h"
+#include "components/test_runner/mock_constraints.h"
 #include "components/test_runner/web_test_delegate.h"
 #include "third_party/WebKit/public/platform/WebMediaConstraints.h"
 #include "third_party/WebKit/public/platform/WebMediaDeviceInfo.h"
 #include "third_party/WebKit/public/platform/WebMediaStream.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
 #include "third_party/WebKit/public/platform/WebMediaStreamTrackSourcesRequest.h"
 #include "third_party/WebKit/public/platform/WebSourceInfo.h"
 #include "third_party/WebKit/public/platform/WebVector.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
@@ skipping 117 matching lines @@
     const WebUserMediaRequest& stream_request) {
     DCHECK(!stream_request.isNull());
     WebUserMediaRequest request = stream_request;
 
     if (request.ownerDocument().isNull() || !request.ownerDocument().frame()) {
       delegate_->PostTask(
           new UserMediaRequestPermissionDeniedTask(this, request));
         return;
     }
 
+    WebMediaConstraints constraints = request.audioConstraints();
+    WebString failed_constraint;
+    if (!constraints.isNull() &&
+        !MockConstraints::VerifyConstraints(constraints, &failed_constraint)) {
+      delegate_->PostTask(new UserMediaRequestConstraintFailedTask(
+          this, request, failed_constraint));
+      return;
+    }
+    constraints = request.videoConstraints();
+    if (!constraints.isNull() &&
+        !MockConstraints::VerifyConstraints(constraints, &failed_constraint)) {
+      delegate_->PostTask(new UserMediaRequestConstraintFailedTask(
+          this, request, failed_constraint));
+      return;
+    }
+
     WebMediaStream stream;
     stream.initialize(WebVector<WebMediaStreamTrack>(),
                       WebVector<WebMediaStreamTrack>());
     stream.setExtraData(new MockExtraData());
 
     if (request.audio() &&
         !delegate_->AddMediaStreamAudioSourceAndTrack(&stream)) {
       WebMediaStreamSource source;
       source.initialize("MockAudioDevice#1",
                         WebMediaStreamSource::TypeAudio,
@@ skipping 94 matching lines @@
   sources[i].initialize(WebString::fromUTF8(test_sources[i].id),
                         test_sources[i].kind,
                         WebString::fromUTF8(test_sources[i].label),
                         test_sources[i].facing);
   }
 
   delegate_->PostTask(new SourcesRequestTask(this, request, sources));
 }
 
 }  // namespace test_runner