Core - Update ContextMenuMediaState values to match Chromium

- Enum updated
- Other enum values added to related enums

Resolves #4014

Author: amaitland

CefSharp/Enums/CefMenuCommand.cs

@@ -39,12 +39,12 @@ public enum CefMenuCommand
         AddToDictionary = 206,
 
         /// <summary>
-        /// Custom menu items originating from the renderer process. For example, plugin placeholder menu items or Flash menu items.
+        /// Custom menu items originating from the renderer process
         /// This is the first entry
         /// </summary>
         CustomFirst = 220,
         /// <summary>
-        /// Custom menu items originating from the renderer process. For example, plugin placeholder menu items or Flash menu items.
+        /// Custom menu items originating from the renderer process
         /// This is the last entry
         /// </summary>
         CustomLast = 250,

CefSharp/Enums/ContextMenuEditState.cs

@@ -48,5 +48,9 @@ public enum ContextMenuEditState
         /// A binary constant representing the can translate flag.
         /// </summary>
         CanTranslate = 1 << 7,
+        /// <summary>
+        /// A binary constant representing the can edit richly flag.
+        /// </summary>
+        CanEditRichly = 1 << 8,
     }
 }

CefSharp/Enums/ContextMenuMediaState.cs

@@ -7,7 +7,9 @@
 namespace CefSharp
 {
     /// <summary>
-    /// Supported context menu media state bit flags.
+    /// Supported context menu media state bit flags. These constants match their
+    /// equivalents in Chromium's ContextMenuData::MediaFlags and should not be
+    /// renumbered.
     /// </summary>
     [Flags]
     public enum ContextMenuMediaState
@@ -41,13 +43,13 @@ public enum ContextMenuMediaState
         /// </summary>
         HasAudio = 1 << 5,
         /// <summary>
-        /// HasVideo
+        /// Can Toggle Controls
         /// </summary>
-        HasVideo = 1 << 6,
+        CanToggleControls = 1 << 6,
         /// <summary>
-        /// ControlRootElement
+        /// Controls
         /// </summary>
-        ControlRootElement = 1 << 7,
+        Controls = 1 << 7,
         /// <summary>
         /// CanPrint
         /// </summary>
@@ -56,5 +58,17 @@ public enum ContextMenuMediaState
         /// CanRotate
         /// </summary>
         CanRotate = 1 << 9,
+        /// <summary>
+        /// CanPictureInPicture
+        /// </summary>
+        CanPictureInPicture = 1 << 10,
+        /// <summary>
+        /// PictureInPicture
+        /// </summary>
+        PictureInPicture = 1 << 11,
+        /// <summary>
+        /// CanLoop
+        /// </summary>
+        CanLoop = 1 << 12,
     }
 }

CefSharp/Enums/ContextMenuMediaType.cs

@@ -26,6 +26,10 @@ public enum ContextMenuMediaType
         /// </summary>
         Audio,
         /// <summary>
+        /// An canvas node is selected
+        /// </summary>
+        Canvas,
+        /// <summary>
         /// A file node is selected.
         /// </summary>
         File,