Move handle dumpage to the renderer process (so that it works correctly) and factor out redundant...

content/common/child_process_messages.h

 // Copyright (c) 2011 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.
 
 // Common IPC messages used for child processes.
 // Multiply-included message file, hence no include guard.
 
 #include "content/common/content_export.h"
 #include "googleurl/src/gurl.h"
 #include "ipc/ipc_message_macros.h"
@@ skipping 22 matching lines @@
 IPC_MESSAGE_CONTROL2(ChildProcessMsg_BeginTracing,
                      std::vector<std::string> /* included_categories */,
                      std::vector<std::string> /* excluded_categories */)
 
 // Sent to all child processes to disable trace event recording.
 IPC_MESSAGE_CONTROL0(ChildProcessMsg_EndTracing)
 
 // Sent to all child processes to get trace buffer fullness.
 IPC_MESSAGE_CONTROL0(ChildProcessMsg_GetTraceBufferPercentFull)
 
+// Sent to child processes to dump their handle table.
+IPC_MESSAGE_CONTROL0(ChildProcessMsg_DumpHandles)
+
 ////////////////////////////////////////////////////////////////////////////////
 // Messages sent from the child process to the browser.
 
 IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ShutdownRequest)
 
 // Reply from child processes acking ChildProcessMsg_TraceChangeStatus(false).
 IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_EndTracingAck,
                      std::vector<std::string> /* known_categories */)
 
 // Sent if the trace buffer becomes full.
 IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_TraceBufferFull)
 
 // Child processes send trace data back in JSON chunks.
 IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_TraceDataCollected,
                      std::string /*json trace data*/)
 
 // Reply to ChildProcessMsg_GetTraceBufferPercentFull.
 IPC_MESSAGE_CONTROL1(ChildProcessHostMsg_TraceBufferPercentFullReply,
                      float /*trace buffer percent full*/)
 
+// Reply to ChildProcessMsg_DumpHandles when handle table dump is complete.
+IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_DumpHandlesDone)
+
 #if defined(OS_WIN)
 // Request that the given font be loaded by the host so it's cached by the
 // OS. Please see ChildProcessHost::PreCacheFont for details.
 IPC_SYNC_MESSAGE_CONTROL1_0(ChildProcessHostMsg_PreCacheFont,
                             LOGFONT /* font data */)
 
 // Release the cached font
 IPC_MESSAGE_CONTROL0(ChildProcessHostMsg_ReleaseCachedFonts)
 #endif  // defined(OS_WIN)