Add a policy list for access to capture devices

chrome/common/pref_names.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 "chrome/common/pref_names.h"
 
 #include "base/basictypes.h"
 #include "chrome/common/pref_font_webkit_names.h"
 
 namespace prefs {
@@ skipping 2007 matching lines @@
 
 // A List pref that contains daily totals of the size of all HTTP content that
 // has been received from the network.
 const char kDailyHttpReceivedContentLength[] =
     "data_reduction.daily_received_length";
 
 // An int64 pref that contains an internal representation of midnight on the
 // date of the last update to |kDailyHttp{Original,Received}ContentLength|.
 const char kDailyHttpContentLengthLastUpdateDate[] =
     "data_reduction.last_update_date";
-#endif
+#endif  // defined(OS_ANDROID) || defined(OS_IOS)
 
-// A pref holding the value of the policy used to disable capturing audio on
-// ChromeOS devices.
+// A pref holding the value of the policy used to explicitly allow or deny
+// access to audio capture devices.  When enabled, this works in conjunction
+// with the kAudioCaptureAllowedUrls policy list.

[Mattias Nissler (ping if slow), 2013/05/28 08:11:39]

Is that true? Looking at the code kAudioCaptureAllowedUrls takes precedence over
kAudioCaptureAllowed.

[tommi (sloooow) - chröme, 2013/05/28 10:19:43]

Thanks for catching.  This was true a few patch sets ago but it isn't anymore. 
Updated comments.

 const char kAudioCaptureAllowed[] = "hardware.audio_capture_enabled";
+// Holds the whitelisted URL patterns that we refer to when kAudioCaptureAllowed
+// is enabled.
+const char kAudioCaptureAllowedUrls[] = "hardware.audio_capture_allowed_urls";
 
-// A pref holding the value of the policy used to disable capturing audio on
-// ChromeOS devices.
+// A pref holding the value of the policy used to explicitly allow or deny
+// access to video capture devices.  When enabled, this works in conjunction
+// with the kVideoCaptureAllowedUrls policy list.
 const char kVideoCaptureAllowed[] = "hardware.video_capture_enabled";
+// Holds the whitelisted URL patterns that we refer to when kVideoCaptureAllowed
+// is enabled.
+const char kVideoCaptureAllowedUrls[] = "hardware.video_capture_allowed_urls";
 
 #if defined(OS_CHROMEOS)
 // Dictionary for transient storage of settings that should go into device
 // settings storage before owner has been assigned.
 const char kDeviceSettingsCache[] = "signed_settings_cache";
 
 // The hardware keyboard layout of the device. This should look like
 // "xkb:us::eng".
 const char kHardwareKeyboardLayout[] = "intl.hardware_keyboard";
 
@@ skipping 424 matching lines @@
 // ping and the time of the last ping.
 extern const char kAppListAppLaunchCount[] = "app_list.app_launch_count";
 extern const char kLastAppListAppLaunchPing[] = "app_list.last_app_launch_ping";
 
 // A string pref for storing the salt used to compute the pepper device ID.
 const char kDRMSalt[] = "settings.privacy.drm_salt";
 // A boolean pref that enables the (private) pepper GetDeviceID() call.
 const char kEnableDRM[] = "settings.privacy.drm_enabled";
 
 }  // namespace prefs