Remove old-style constraints from Chrome internals

content/renderer/media/rtc_media_constraints.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 "content/renderer/media/rtc_media_constraints.h"
-
-#include <stddef.h>
-
-#include <string>
-
-#include "base/logging.h"
-#include "base/strings/string_util.h"
-#include "content/common/media/media_stream_options.h"
-#include "content/renderer/media/media_stream_video_source.h"
-#include "third_party/WebKit/public/platform/WebCString.h"
-#include "third_party/WebKit/public/platform/WebMediaConstraints.h"
-#include "third_party/WebKit/public/platform/WebString.h"
-
-namespace content {
-namespace {
-
-void GetNativeMediaConstraints(
-    const blink::WebVector<blink::WebMediaConstraint>& constraints,
-    webrtc::MediaConstraintsInterface::Constraints* native_constraints) {
-  DCHECK(native_constraints);
-  for (size_t i = 0; i < constraints.size(); ++i) {
-    webrtc::MediaConstraintsInterface::Constraint new_constraint;
-    new_constraint.key = constraints[i].m_name.utf8();
-    new_constraint.value = constraints[i].m_value.utf8();
-
-    // Ignore Chrome specific Tab capture constraints.
-    if (new_constraint.key == kMediaStreamSource ||
-        new_constraint.key == kMediaStreamSourceId)
-      continue;
-
-    // Ignore sourceId constraint since that has nothing to do with webrtc.
-    if (new_constraint.key == kMediaStreamSourceInfoId)
-      continue;
-
-    // Ignore constraints that are handled by Chrome in MediaStreamVideoSource.
-    if (MediaStreamVideoSource::IsConstraintSupported(new_constraint.key))
-      continue;
-
-    DVLOG(3) << "MediaStreamConstraints:" << new_constraint.key
-             << " : " <<  new_constraint.value;
-    native_constraints->push_back(new_constraint);
-  }
-}
-
-}  // namespace
-
-RTCMediaConstraints::RTCMediaConstraints() {}
-
-RTCMediaConstraints::RTCMediaConstraints(
-      const blink::WebMediaConstraints& constraints) {
-  if (constraints.isNull())
-    return;  // Will happen in unit tests.
-  blink::WebVector<blink::WebMediaConstraint> mandatory;
-  constraints.getMandatoryConstraints(mandatory);
-  GetNativeMediaConstraints(mandatory, &mandatory_);
-  blink::WebVector<blink::WebMediaConstraint> optional;
-  constraints.getOptionalConstraints(optional);
-  GetNativeMediaConstraints(optional, &optional_);
-}
-
-RTCMediaConstraints::~RTCMediaConstraints() {}
-
-const webrtc::MediaConstraintsInterface::Constraints&
-RTCMediaConstraints::GetMandatory() const  {
-  return mandatory_;
-}
-
-const webrtc::MediaConstraintsInterface::Constraints&
-RTCMediaConstraints::GetOptional() const {
-  return optional_;
-}
-
-bool RTCMediaConstraints::AddOptional(const std::string& key,
-                                      const std::string& value,
-                                      bool override_if_exists) {
-  return AddConstraint(&optional_, key, value, override_if_exists);
-}
-
-bool RTCMediaConstraints::AddMandatory(const std::string& key,
-                                       const std::string& value,
-                                       bool override_if_exists) {
-  return AddConstraint(&mandatory_, key, value, override_if_exists);
-}
-
-bool RTCMediaConstraints::AddConstraint(Constraints* constraints,
-                                        const std::string& key,
-                                        const std::string& value,
-                                        bool override_if_exists) {
-  for (Constraints::iterator iter = constraints->begin();
-       iter != constraints->end();
-       ++iter) {
-    if (iter->key == key) {
-      if (override_if_exists)
-        iter->value = value;
-      return override_if_exists;
-    }
-  }
-  // The key wasn't found, add it.
-  constraints->push_back(Constraint(key, value));
-  return true;
-}
-
-}  // namespace content