Reenable framebusting

content/common/frame_messages.h

 // Copyright 2013 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.
 
 // IPC messages for interacting with frames.
 // Multiply-included message file, hence no include guard.
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 918 matching lines @@
 
 // Used to instruct the RenderFrame to go into "view source" mode. This should
 // only be sent to the main frame.
 IPC_MESSAGE_ROUTED0(FrameMsg_EnableViewSourceMode)
 
 // Tells the frame to suppress any further modal dialogs. This ensures that no
 // ScopedPageLoadDeferrer is on the stack for SwapOut.
 IPC_MESSAGE_ROUTED0(FrameMsg_SuppressFurtherDialogs)
 
 // Tells the frame to consider itself to have received a user gesture (based
-// on a user gesture proceed by a descendant).
+// on a user gesture processed in a different process).
 IPC_MESSAGE_ROUTED0(FrameMsg_SetHasReceivedUserGesture)
 
 IPC_MESSAGE_ROUTED1(FrameMsg_RunFileChooserResponse,
                     std::vector<content::FileChooserFileInfo>)
 
 // -----------------------------------------------------------------------------
 // Messages sent from the renderer to the browser.
 
 // Blink and JavaScript error messages to log to the console
 // or debugger UI.
@@ skipping 366 matching lines @@
 IPC_MESSAGE_ROUTED1(FrameHostMsg_FrameRectChanged, gfx::Rect /* frame_rect */)
 
 // Sent by a parent frame to update its child's viewport intersection rect for
 // use by the IntersectionObserver API.
 IPC_MESSAGE_ROUTED1(FrameHostMsg_UpdateViewportIntersection,
                     gfx::Rect /* viewport_intersection */)
 
 // Informs the child that the frame has changed visibility.
 IPC_MESSAGE_ROUTED1(FrameHostMsg_VisibilityChanged, bool /* visible */)
 
-// Indicates that a child of this frame recieved a user gesture, and this
-// frame should in turn consider itself to have received a user gesture.
+// Indicates that this frame recieved a user gesture, so that the state can be
+// propagated to any remote frames.
 IPC_MESSAGE_ROUTED0(FrameHostMsg_SetHasReceivedUserGesture)
 
 // Used to tell the parent that the user right clicked on an area of the
 // content area, and a context menu should be shown for it. The params
 // object contains information about the node(s) that were selected when the
 // user right clicked.
 IPC_MESSAGE_ROUTED1(FrameHostMsg_ContextMenu, content::ContextMenuParams)
 
 // Notification that the text selection has changed.
 // Note: The second parameter is the character based offset of the
@@ skipping 216 matching lines @@
 // nearest find result in the sending frame.
 IPC_MESSAGE_ROUTED2(FrameHostMsg_GetNearestFindResult_Reply,
                     int /* nfr_request_id */,
                     float /* distance */)
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent FrameMsg, then ifdefs for platform specific FrameMsg, then
 // platform independent FrameHostMsg, then ifdefs for platform specific
 // FrameHostMsg.