Add a Content API around BrowserChildProcessHost, similar to what was done with ChildProcessHost....

chrome/browser/memory_details_linux.cc

 // 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.
 
 #include "chrome/browser/memory_details.h"
 
 #include <dirent.h>
 #include <fcntl.h>
 #include <unistd.h>
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/eintr_wrapper.h"
 #include "base/file_version_info.h"
 #include "base/process_util.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/url_constants.h"
-#include "content/browser/browser_child_process_host.h"
 #include "content/browser/zygote_host_linux.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/common/process_type.h"
 #include "grit/chromium_strings.h"
 
 using content::BrowserThread;
 
 // Known browsers which we collect details for.
 enum BrowserType {
   CHROME = 0,
@@ skipping 251 matching lines @@
     }
 
     process_data_.push_back(browser);
   }
 
   // Finally return to the browser thread.
   BrowserThread::PostTask(
       BrowserThread::UI, FROM_HERE,
       base::Bind(&MemoryDetails::CollectChildInfoOnUIThread, this));
 }