Browser Plugin: Remove MapInstance from BrowserPluginHost + More cross-process navigation work

content/common/view_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.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include "base/process.h"
 #include "base/shared_memory.h"
 #include "content/common/content_export.h"
@@ skipping 609 matching lines @@
 
   // The following two members identify a previous request that has been
   // created before this navigation is being transferred to a new render view.
   // This serves the purpose of recycling the old request.
   // Unless this refers to a transferred navigation, these values are -1 and -1.
   IPC_STRUCT_MEMBER(int, transferred_request_child_id)
   IPC_STRUCT_MEMBER(int, transferred_request_request_id)
 
   // Whether or not we should allow the url to download.
   IPC_STRUCT_MEMBER(bool, allow_download)
+
+  // The name of the channel with which a guest talks to its embedder.
+  // If this newly created RenderView has no embedder this string will be
+  // empty.
+  IPC_STRUCT_MEMBER(std::string, embedder_channel_name)
+
+  // The identifier in the embedder render process of the container hosting this
+  // guest RenderView. The embedder_channel_name and embedder_container_id
+  // together uniquely identify a browser plugin instance.
+  IPC_STRUCT_MEMBER(int, embedder_container_id)
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(ViewMsg_New_Params)
   // The parent window's id.
   IPC_STRUCT_MEMBER(gfx::NativeViewId, parent_window)
 
   // Renderer-wide preferences.
   IPC_STRUCT_MEMBER(content::RendererPreferences, renderer_preferences)
 
   // Preferences for this view.
@@ skipping 24 matching lines @@
   IPC_STRUCT_MEMBER(int32, next_page_id)
 
   // The properties of the screen associated with the view.
   IPC_STRUCT_MEMBER(WebKit::WebScreenInfo, screen_info)
 
   // The name of the channel with which a guest talks to its embedder.
   // If this newly created RenderView has no embedder this string will be
   // empty.
   IPC_STRUCT_MEMBER(std::string, embedder_channel_name)
 
+  // The identifier in the embedder render process of the container hosting this
+  // guest RenderView. The embedder_channel_name and embedder_container_id
+  // together uniquely identify a browser plugin instance.
+  IPC_STRUCT_MEMBER(int, embedder_container_id)
+
   // The accessibility mode of the renderer.
   IPC_STRUCT_MEMBER(AccessibilityMode, accessibility_mode)
 IPC_STRUCT_END()
 
 // Messages sent from the browser to the renderer.
 
 // Sent to the RenderView when a new tab is swapped into an existing
 // tab and the histories need to be merged. The existing tab has a history of
 // |merged_history_length| which precedes the history of the new tab. All
 // page_ids >= |minimum_page_id| in the new tab are appended to the history.
@@ skipping 1370 matching lines @@
 // (according to the value of is_hung). The browser can give the user the
 // option of killing the plugin.
 IPC_MESSAGE_ROUTED3(ViewHostMsg_PepperPluginHung,
                     int /* plugin_child_id */,
                     FilePath /* path */,
                     bool /* is_hung */)
 
 // Screen was rotated. Dispatched to the onorientationchange javascript API.
 IPC_MESSAGE_ROUTED1(ViewMsg_OrientationChangeEvent,
                     int /* orientation */)