Add a FrameHostMsg_BeginNavigation IPC

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 "content/common/content_export.h"
 #include "content/common/content_param_traits.h"
 #include "content/common/frame_message_enums.h"
 #include "content/common/frame_param.h"
 #include "content/common/navigation_gesture.h"
+#include "content/common/resource_request_body.h"
 #include "content/public/common/color_suggestion.h"
 #include "content/public/common/common_param_traits.h"
 #include "content/public/common/context_menu_params.h"
 #include "content/public/common/frame_navigate_params.h"
 #include "content/public/common/javascript_message_type.h"
 #include "content/public/common/page_state.h"
 #include "ipc/ipc_message_macros.h"
 #include "ui/gfx/ipc/gfx_param_traits.h"
 #include "url/gurl.h"
 
@@ skipping 223 matching lines @@
 IPC_STRUCT_END()
 
 IPC_STRUCT_BEGIN(FrameHostMsg_OpenURL_Params)
   IPC_STRUCT_MEMBER(GURL, url)
   IPC_STRUCT_MEMBER(content::Referrer, referrer)
   IPC_STRUCT_MEMBER(WindowOpenDisposition, disposition)
   IPC_STRUCT_MEMBER(bool, should_replace_current_entry)
   IPC_STRUCT_MEMBER(bool, user_gesture)
 IPC_STRUCT_END()
 
+// Parameters for a navigation request,
+IPC_STRUCT_BEGIN(FrameHostMsg_BeginNavigation_Params)
+  // The request method: GET, POST, etc.
+  IPC_STRUCT_MEMBER(std::string, method)
+
+  // The requested URL.
+  IPC_STRUCT_MEMBER(GURL, url)
+
+  // The referrer to use (may be empty).
+  IPC_STRUCT_MEMBER(GURL, referrer)
+
+  // The referrer policy to use.
+  IPC_STRUCT_MEMBER(blink::WebReferrerPolicy, referrer_policy)
+
+  // Additional HTTP request headers.
+  IPC_STRUCT_MEMBER(std::string, headers)
+
+  // net::URLRequest load flags (net::LOAD_NORMAL | net::LOAD_ENABLE_LOAD_TIMING
+  // by default).
+  IPC_STRUCT_MEMBER(int, load_flags)
+
+  // What this navigation request is for (main frame, sub-frame).
+  IPC_STRUCT_MEMBER(ResourceType::Type, resource_type)

[davidben, 2014/07/02 21:05:12]

Probably can remove this one since the browser will know what the RFH's type is
anyway.

[clamy, 2014/07/03 09:41:53]

Done. We may have to put it back in place if we happen to merge OpenURL and this
IPC together though.

+
+  // Optional resource request body (may be null).
+  IPC_STRUCT_MEMBER(scoped_refptr<content::ResourceRequestBody>,
+                    request_body)
+
+  // True if the request was user initiated.
+  IPC_STRUCT_MEMBER(bool, has_user_gesture)
+
+  IPC_STRUCT_MEMBER(content::PageTransition, transition_type)
+
+  // For navigations, whether this navigation should replace the current session
+  // history entry on commit.
+  IPC_STRUCT_MEMBER(bool, should_replace_current_entry)
+
+  // Whether or not we should allow the URL to download.
+  IPC_STRUCT_MEMBER(bool, allow_download)
+IPC_STRUCT_END()
+
 // -----------------------------------------------------------------------------
 // Messages sent from the browser to the renderer.
 
 // When HW accelerated buffers are swapped in an out-of-process child frame
 // renderer, the message is forwarded to the embedding frame to notify it of
 // a new texture available for compositing. When the buffer has finished
 // presenting, a FrameHostMsg_BuffersSwappedACK should be sent back to
 // gpu host that produced this buffer.
 //
 // This is used in the non-ubercomp HW accelerated compositing path.
@@ skipping 343 matching lines @@
 // |endOffset| are the offsets of the selection in the returned |content|.
 IPC_MESSAGE_ROUTED3(FrameHostMsg_TextSurroundingSelectionResponse,
                     base::string16,  /* content */
                     size_t, /* startOffset */
                     size_t /* endOffset */)
 
 // Notifies the browser that the renderer has a pending navigation transition.
 IPC_MESSAGE_CONTROL2(FrameHostMsg_SetHasPendingTransitionRequest,
                      int /* render_frame_id */,
                      bool /* is_transition */)
+
+// Tells the browser to perform a navigation.
+IPC_MESSAGE_ROUTED1(FrameHostMsg_BeginNavigation,
+                    FrameHostMsg_BeginNavigation_Params)