<webview>: First stab at implementing media permission request for guests.

content/common/browser_plugin_messages.h

 // 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.
 
 // Multiply-included message header, no traditional include guard.
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/process.h"
@@ skipping 104 matching lines @@
 // When a BrowserPlugin has been removed from the embedder's DOM, it informs
 // the browser process to cleanup the guest.
 IPC_MESSAGE_ROUTED1(BrowserPluginHostMsg_PluginDestroyed,
                     int /* instance_id */)
 
 // Tells the guest it has been shown or hidden.
 IPC_MESSAGE_ROUTED2(BrowserPluginHostMsg_SetVisibility,
                     int /* instance_id */,
                     bool /* visible */)
 
+// Tells the guest that its request for media permission has been allowed or
+// denied.
+IPC_MESSAGE_ROUTED3(BrowserPluginHostMsg_AllowMediaAccess,
+                    int /* instance_id */,
+                    int /* request_id */,
+                    bool /* allow */)
+
 // -----------------------------------------------------------------------------
 // These messages are from the guest renderer to the browser process
 
 // A embedder sends this message to the browser when it wants
 // to resize a guest plugin container so that the guest is relaid out
 // according to the new size.
 IPC_SYNC_MESSAGE_ROUTED2_0(BrowserPluginHostMsg_ResizeGuest,
                            int /* instance_id*/,
                            BrowserPluginHostMsg_ResizeGuest_Params)
 
@@ skipping 30 matching lines @@
 IPC_MESSAGE_CONTROL3(BrowserPluginMsg_DidNavigate,
                      int /* instance_id */,
                      GURL /* url */,
                      int /* process_id */)
 
 // When the guest crashes, the browser process informs the embedder through this
 // message.
 IPC_MESSAGE_CONTROL1(BrowserPluginMsg_GuestCrashed,
                      int /* instance_id */)
 
+// When the guest requests for media access, the browser process forwards this

[Charlie Reis, 2012/10/17 06:18:45]

nit: requests media access

[lazyboy, 2012/10/17 09:09:53]

Done.

+// request to the embeddder through this message.
+IPC_MESSAGE_CONTROL2(BrowserPluginMsg_RequestMediaAccess,
+                    int /* instance_id */,
+                    int /* request_id */)
+
 IPC_STRUCT_BEGIN(BrowserPluginMsg_UpdateRect_Params)
   // The position and size of the bitmap.
   IPC_STRUCT_MEMBER(gfx::Rect, bitmap_rect)
 
   // The scroll offset.  Only one of these can be non-zero, and if they are
   // both zero, then it means there is no scrolling and the scroll_rect is
   // ignored.
   IPC_STRUCT_MEMBER(int, dx)
   IPC_STRUCT_MEMBER(int, dy)
 
@@ skipping 33 matching lines @@
 IPC_MESSAGE_CONTROL2(BrowserPluginMsg_ShouldAcceptTouchEvents,
                      int /* instance_id */,
                      bool /* accept */)
 
 // The guest has damage it wants to convey to the embedder so that it can
 // update its backing store.
 IPC_MESSAGE_CONTROL3(BrowserPluginMsg_UpdateRect,
                      int /* instance_id */,
                      int /* message_id */,
                      BrowserPluginMsg_UpdateRect_Params)