Navigation transitions (web to native app): Pass data after starting provisional load (Chrome side)

content/browser/renderer_host/render_message_filter.cc

 // 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.
 
 #include "content/browser/renderer_host/render_message_filter.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 1209 matching lines @@
   base::WorkerPool::PostTask(
       FROM_HERE,
       base::Bind(&media::WebAudioMediaCodecBridge::RunWebAudioMediaCodec,
                  encoded_data_handle, pcm_output, data_size),
       true);
 }
 #endif
 
 void RenderMessageFilter::OnAddNavigationTransitionData(
     FrameHostMsg_AddNavigationTransitionData_Params params) {
+  if (params.elements.size() > TransitionRequestManager::kMaxNumOfElements)
+    return;
   TransitionRequestManager::GetInstance()->AddPendingTransitionRequestData(
       render_process_id_,
       params.render_frame_id,
       params.allowed_destination_host_pattern,
       params.selector,
       params.markup,
-      params.names,
-      params.rects);
+      params.elements);
 }
 
 void RenderMessageFilter::OnAllocateGpuMemoryBuffer(
     uint32 width,
     uint32 height,
     gfx::GpuMemoryBuffer::Format format,
     gfx::GpuMemoryBuffer::Usage usage,
     IPC::Message* reply) {
   base::CheckedNumeric<int> size = width;
   size *= height;
@@ skipping 23 matching lines @@
 }
 
 void RenderMessageFilter::OnDeletedGpuMemoryBuffer(
     gfx::GpuMemoryBufferType type,
     const gfx::GpuMemoryBufferId& id) {
   BrowserGpuMemoryBufferManager::current()->ChildProcessDeletedGpuMemoryBuffer(
       type, id, PeerHandle());
 }
 
 }  // namespace content