1 files changed, 101 insertions, 0 deletions
diff --git a/chromium/chrome/browser/media/webrtc/media_stream_device_permission_context.cc b/chromium/chrome/browser/media/webrtc/media_stream_device_permission_context.cc
new file mode 100644
index 00000000000..b64eea23ca6
--- /dev/null
+++ b/chromium/chrome/browser/media/webrtc/media_stream_device_permission_context.cc
@@ -0,0 +1,101 @@
+// Copyright 2015 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 "chrome/browser/media/webrtc/media_stream_device_permission_context.h"
+#include "chrome/browser/media/webrtc/media_stream_device_permissions.h"
+#include "chrome/browser/profiles/profile.h"
+#include "chrome/common/pref_names.h"
+#include "components/content_settings/core/browser/host_content_settings_map.h"
+#include "components/content_settings/core/common/content_settings.h"
+#include "content/public/common/content_features.h"
+#include "content/public/common/url_constants.h"
+#include "extensions/common/constants.h"
+
+namespace {
+
+blink::mojom::FeaturePolicyFeature GetFeaturePolicyFeature(
+    ContentSettingsType type) {
+  if (type == CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC)
+    return blink::mojom::FeaturePolicyFeature::kMicrophone;
+
+  DCHECK_EQ(CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA, type);
+  return blink::mojom::FeaturePolicyFeature::kCamera;
+}
+
+}  // namespace
+
+MediaStreamDevicePermissionContext::MediaStreamDevicePermissionContext(
+    Profile* profile,
+    const ContentSettingsType content_settings_type)
+    : PermissionContextBase(profile,
+                            content_settings_type,
+                            GetFeaturePolicyFeature(content_settings_type)),
+      content_settings_type_(content_settings_type) {
+  DCHECK(content_settings_type_ == CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC ||
+         content_settings_type_ == CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA);
+}
+
+MediaStreamDevicePermissionContext::~MediaStreamDevicePermissionContext() {}
+
+void MediaStreamDevicePermissionContext::DecidePermission(
+    content::WebContents* web_contents,
+    const PermissionRequestID& id,
+    const GURL& requesting_origin,
+    const GURL& embedding_origin,
+    bool user_gesture,
+    BrowserPermissionCallback callback) {
+  PermissionContextBase::DecidePermission(web_contents, id, requesting_origin,
+                                          embedding_origin, user_gesture,
+                                          std::move(callback));
+}
+
+ContentSetting MediaStreamDevicePermissionContext::GetPermissionStatusInternal(
+    content::RenderFrameHost* render_frame_host,
+    const GURL& requesting_origin,
+    const GURL& embedding_origin) const {
+  // TODO(raymes): Merge this policy check into content settings
+  // crbug.com/244389.
+  const char* policy_name = nullptr;
+  const char* urls_policy_name = nullptr;
+  if (content_settings_type_ == CONTENT_SETTINGS_TYPE_MEDIASTREAM_MIC) {
+    policy_name = prefs::kAudioCaptureAllowed;
+    urls_policy_name = prefs::kAudioCaptureAllowedUrls;
+  } else {
+    DCHECK(content_settings_type_ == CONTENT_SETTINGS_TYPE_MEDIASTREAM_CAMERA);
+    policy_name = prefs::kVideoCaptureAllowed;
+    urls_policy_name = prefs::kVideoCaptureAllowedUrls;
+  }
+
+  MediaStreamDevicePolicy policy = GetDevicePolicy(
+      profile(), requesting_origin, policy_name, urls_policy_name);
+
+  switch (policy) {
+    case ALWAYS_DENY:
+      return CONTENT_SETTING_BLOCK;
+    case ALWAYS_ALLOW:
+      return CONTENT_SETTING_ALLOW;
+    default:
+      DCHECK_EQ(POLICY_NOT_SET, policy);
+  }
+
+  // Check the content setting. TODO(raymes): currently mic/camera permission
+  // doesn't consider the embedder.
+  ContentSetting setting = PermissionContextBase::GetPermissionStatusInternal(
+      render_frame_host, requesting_origin, requesting_origin);
+
+  if (setting == CONTENT_SETTING_DEFAULT)
+    setting = CONTENT_SETTING_ASK;
+
+  return setting;
+}
+
+void MediaStreamDevicePermissionContext::ResetPermission(
+    const GURL& requesting_origin,
+    const GURL& embedding_origin) {
+  NOTREACHED() << "ResetPermission is not implemented";
+}
+
+bool MediaStreamDevicePermissionContext::IsRestrictedToSecureOrigins() const {
+  return true;
+}