Make autoplay policies no longer platform dependant.

content/public/common/web_preferences.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_
 #define CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 48 matching lines @@
 // third_party/WebKit/Source/core/loader/ProgressTracker.cpp for most of its
 // effects.
 enum class ProgressBarCompletion {
   LOAD_EVENT,
   RESOURCES_BEFORE_DCL,
   DOM_CONTENT_LOADED,
   RESOURCES_BEFORE_DCL_AND_SAME_ORIGIN_IFRAMES,
   LAST = RESOURCES_BEFORE_DCL_AND_SAME_ORIGIN_IFRAMES
 };
 
+// Defines the autoplay policy to be used. Should match the class in
+// WebSettings.h.
+enum class AutoplayPolicy {

[nasko, 2017/04/27 16:52:50]

nit: MediaAutoplayPolicy?

+  kNoUserGestureRequired,
+  kCrossOriginUserGestureRequired,
+  kUserGestureRequired,
+};
+
 // The ISO 15924 script code for undetermined script aka Common. It's the
 // default used on WebKit's side to get/set a font setting when no script is
 // specified.
 CONTENT_EXPORT extern const char kCommonScript[];
 
 // A struct for managing blink's settings.
 //
 // Adding new values to this class probably involves updating
 // blink::WebSettings, content/common/view_messages.h, browser/tab_contents/
 // render_view_host_delegate_helper.cc, browser/profiles/profile.cc,
@@ skipping 137 matching lines @@
   float expensive_background_throttling_max_budget;
   float expensive_background_throttling_max_delay;
 
 #if defined(OS_ANDROID)
   bool text_autosizing_enabled;
   float font_scale_factor;
   float device_scale_adjustment;
   bool force_enable_zoom;
   bool fullscreen_supported;
   bool double_tap_to_zoom_enabled;
-  bool user_gesture_required_for_media_playback;
   std::string media_playback_gesture_whitelist_scope;
   GURL default_video_poster_url;
   bool support_deprecated_target_density_dpi;
   bool use_legacy_background_size_shorthand_behavior;
   bool wide_viewport_quirk;
   bool use_wide_viewport;
   bool force_zero_layout_height;
   bool viewport_meta_layout_size_quirk;
   bool viewport_meta_merge_content_quirk;
   bool viewport_meta_non_user_scalable_quirk;
   bool viewport_meta_zero_values_quirk;
   bool clobber_user_agent_initial_scale_quirk;
   bool ignore_main_frame_overflow_hidden_quirk;
   bool report_screen_size_in_physical_pixels_quirk;
   // Used by Android_WebView only to support legacy apps that inject script into
   // a top-level initial empty document and expect it to persist on navigation.
   bool resue_global_for_unowned_main_frame;
   ProgressBarCompletion progress_bar_completion;
   // Specifies default setting for spellcheck when the spellcheck attribute is
   // not explicitly specified.
   bool spellcheck_enabled_by_default;
   // If enabled, when a video goes fullscreen, the orientation should be locked.
   bool video_fullscreen_orientation_lock_enabled;
   // If enabled, video fullscreen detection will be enabled.
   bool video_fullscreen_detection_enabled;
   bool embedded_media_experience_enabled;
 #else  // defined(OS_ANDROID)
-  bool cross_origin_media_playback_requires_user_gesture;
 #endif  // defined(OS_ANDROID)
 
   // Default (used if the page or UA doesn't override these) values for page
   // scale limits. These are set directly on the WebView so there's no analogue
   // in WebSettings.
   float default_minimum_page_scale_factor;
   float default_maximum_page_scale_factor;
 
   // Whether download UI should be hidden on this page.
   bool hide_download_ui;
@@ skipping 14 matching lines @@
 
   // If disabled, media controls should never be used.
   bool media_controls_enabled;
 
   // Whether we want to disable updating selection on mutating selection range.
   // This is to work around Samsung's email app issue. See
   // https://crbug.com/699943 for details.
   // TODO(changwan): remove this once we no longer support Android N.
   bool do_not_update_selection_on_mutating_selection_range;
 
+  // Defines the current autoplay policy.
+  AutoplayPolicy autoplay_policy;
+
   // We try to keep the default values the same as the default values in
   // chrome, except for the cases where it would require lots of extra work for
   // the embedder to use the same default value.
   WebPreferences();
   WebPreferences(const WebPreferences& other);
   ~WebPreferences();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_WEB_PREFERENCES_H_