Replace about:net-internals with the javascript-based frontend.

(DNS request tracing is the only feature lost in this transition; it needs to be added back under the new framework).

BUG=37421

Review URL: http://codereview.chromium.org/2008007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@46868 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 66 insertions, 879 deletions

diff --git a/chrome/browser/net/view_http_cache_job_factory.cc b/chrome/browser/net/view_http_cache_job_factory.cc
new file mode 100644
index 0000000..ce10ff1
--- /dev/null
+++ b/chrome/browser/net/view_http_cache_job_factory.cc
@@ -0,0 +1,62 @@
+// Copyright (c) 2010 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/net/view_http_cache_job_factory.h"
+
+#include "chrome/common/url_constants.h"
+#include "net/url_request/url_request.h"
+#include "net/url_request/url_request_context.h"
+#include "net/url_request/url_request_simple_job.h"
+#include "net/url_request/view_cache_helper.h"
+
+namespace {
+
+// A job subclass that dumps an HTTP cache entry.
+class ViewHttpCacheJob : public URLRequestSimpleJob {
+ public:
+  explicit ViewHttpCacheJob(URLRequest* request)
+      : URLRequestSimpleJob(request) {}
+
+  // URLRequestSimpleJob methods:
+  virtual bool GetData(std::string* mime_type,
+                       std::string* charset,
+                       std::string* data) const;
+
+ private:
+  ~ViewHttpCacheJob() {}
+};
+
+bool ViewHttpCacheJob::GetData(std::string* mime_type,
+                               std::string* charset,
+                               std::string* data) const {
+  mime_type->assign("text/html");
+  charset->assign("UTF-8");
+
+  data->clear();
+
+  std::string cache_key;
+  cache_key =
+      request_->url().spec().substr(strlen(chrome::kNetworkViewCacheURL));
+  ViewCacheHelper::GetEntryInfoHTML(cache_key,
+                                    request_->context(),
+                                    chrome::kNetworkViewCacheURL,
+                                    data);
+
+  return true;
+}
+
+}  // namespace
+
+// static
+bool ViewHttpCacheJobFactory::IsSupportedURL(const GURL& url) {
+  return StartsWithASCII(url.spec(),
+                         chrome::kNetworkViewCacheURL,
+                         true /*case_sensitive*/);
+}
+
+// static
+URLRequestJob* ViewHttpCacheJobFactory::CreateJobForRequest(
+    URLRequest* request) {
+  return new ViewHttpCacheJob(request);
+}
diff --git a/chrome/browser/net/view_net_internals_job_factory.h b/chrome/browser/net/view_http_cache_job_factory.h
index a694c93..e3fa152 100644
--- a/chrome/browser/net/view_net_internals_job_factory.h
+++ b/chrome/browser/net/view_http_cache_job_factory.h
@@ -2,17 +2,17 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CHROME_BROWSER_NET_VIEW_NET_INTERNALS_JOB_FACTORY_H_
-#define CHROME_BROWSER_NET_VIEW_NET_INTERNALS_JOB_FACTORY_H_
+#ifndef CHROME_BROWSER_NET_VIEW_HTTP_CACHE_JOB_FACTORY_H_
+#define CHROME_BROWSER_NET_VIEW_HTTP_CACHE_JOB_FACTORY_H_
 
 class GURL;
 class URLRequest;
 class URLRequestJob;
 
-class ViewNetInternalsJobFactory {
+class ViewHttpCacheJobFactory {
  public:
   static bool IsSupportedURL(const GURL& url);
   static URLRequestJob* CreateJobForRequest(URLRequest* request);
 };
 
-#endif  // CHROME_BROWSER_NET_VIEW_NET_INTERNALS_JOB_FACTORY_H_
+#endif  // CHROME_BROWSER_NET_VIEW_HTTP_CACHE_JOB_FACTORY_H_
diff --git a/chrome/browser/net/view_net_internals_job_factory.cc b/chrome/browser/net/view_net_internals_job_factory.cc
deleted file mode 100644
index 213ae5f..0000000
--- a/chrome/browser/net/view_net_internals_job_factory.cc
+++ /dev/null
@@ -1,875 +0,0 @@
-// Copyright (c) 2010 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/net/view_net_internals_job_factory.h"
-
-#include <sstream>
-
-#include "base/format_macros.h"
-#include "base/stl_util-inl.h"
-#include "base/string_util.h"
-#include "chrome/browser/net/chrome_net_log.h"
-#include "chrome/browser/net/chrome_url_request_context.h"
-#include "chrome/browser/net/passive_log_collector.h"
-#include "chrome/common/url_constants.h"
-#include "net/base/escape.h"
-#include "net/base/host_resolver_impl.h"
-#include "net/base/net_errors.h"
-#include "net/base/net_log_util.h"
-#include "net/base/net_util.h"
-#include "net/base/sys_addrinfo.h"
-#include "net/proxy/proxy_service.h"
-#include "net/socket_stream/socket_stream.h"
-#include "net/url_request/url_request.h"
-#include "net/url_request/url_request_context.h"
-#include "net/url_request/url_request_simple_job.h"
-#include "net/url_request/view_cache_helper.h"
-
-namespace {
-
-const char kViewHttpCacheSubPath[] = "view-cache";
-
-// TODO(eroman): Delete this file. It should be replaced by
-//               chrome/browser/dom_ui/net_internals_ui.cc once the porting is
-//               complete.
-
-PassiveLogCollector* GetPassiveLogCollector(URLRequestContext* context) {
-  // Really this is the same as:
-  // g_browser_process->io_thread()->globals()->
-  //     net_log.get()
-  // (But we can't access g_browser_process from the IO thread).
-  ChromeNetLog* chrome_net_log = static_cast<ChromeNetLog*>(
-      static_cast<ChromeURLRequestContext*>(context)->net_log());
-  return chrome_net_log->passive_collector();
-}
-
-PassiveLogCollector::RequestTracker* GetURLRequestTracker(
-    URLRequestContext* context) {
-  return GetPassiveLogCollector(context)->url_request_tracker();
-}
-
-PassiveLogCollector::RequestTracker* GetSocketStreamTracker(
-    URLRequestContext* context) {
-  return GetPassiveLogCollector(context)->socket_stream_tracker();
-}
-
-PassiveLogCollector::InitProxyResolverTracker* GetInitProxyResolverTracker(
-    URLRequestContext* context) {
-  return GetPassiveLogCollector(context)->init_proxy_resolver_tracker();
-}
-
-std::string GetDetails(const GURL& url) {
-  DCHECK(ViewNetInternalsJobFactory::IsSupportedURL(url));
-  size_t start = strlen(chrome::kNetworkViewInternalsURL);
-  if (start >= url.spec().size())
-    return std::string();
-  return url.spec().substr(start);
-}
-
-GURL MakeURL(const std::string& details) {
-  return GURL(std::string(chrome::kNetworkViewInternalsURL) + details);
-}
-
-// Converts a PassiveLogCollector::EntryList to a CapturingNetLog::EntryList.
-//
-// They are basically the same thing, except PassiveLogCollector has an extra
-// "order" field which we will drop.
-net::CapturingNetLog::EntryList ConvertEntryList(
-    const PassiveLogCollector::EntryList& input) {
-  net::CapturingNetLog::EntryList result;
-  for (size_t i = 0; i < input.size(); ++i) {
-    result.push_back(
-        net::CapturingNetLog::Entry(
-            input[i].type,
-            input[i].time,
-            input[i].source,
-            input[i].phase,
-            input[i].extra_parameters));
-  }
-  return result;
-}
-
-// A job subclass that implements a protocol to inspect the internal
-// state of the network stack.
-class ViewNetInternalsJob : public URLRequestSimpleJob {
- public:
-
-  explicit ViewNetInternalsJob(URLRequest* request)
-      : URLRequestSimpleJob(request) {}
-
-  // URLRequestSimpleJob methods:
-  virtual bool GetData(std::string* mime_type,
-                       std::string* charset,
-                       std::string* data) const;
-
-  // Overridden methods from URLRequestJob:
-  virtual bool IsRedirectResponse(GURL* location, int* http_status_code);
-
- private:
-  ~ViewNetInternalsJob() {}
-
-  // Returns true if the current request is for a "view-cache" URL.
-  // If it is, then |key| is assigned the particular cache URL of the request.
-  bool GetViewCacheKeyForRequest(std::string* key) const;
-};
-
-//------------------------------------------------------------------------------
-// Format helpers.
-//------------------------------------------------------------------------------
-
-void OutputTextInPre(const std::string& text, std::string* out) {
-  out->append("<pre>");
-  out->append(EscapeForHTML(text));
-  out->append("</pre>");
-}
-
-// Appends an input button to |data| with text |title| that sends the command
-// string |command| back to the browser, and then refreshes the page.
-void DrawCommandButton(const std::string& title,
-                       const std::string& command,
-                       std::string* data) {
-  StringAppendF(data, "<input type=\"button\" value=\"%s\" "
-               "onclick=\"DoCommand('%s')\" />",
-               title.c_str(),
-               command.c_str());
-}
-
-//------------------------------------------------------------------------------
-// URLRequestContext helpers.
-//------------------------------------------------------------------------------
-
-net::HostResolverImpl* GetHostResolverImpl(URLRequestContext* context) {
-  return context->host_resolver()->GetAsHostResolverImpl();
-}
-
-net::HostCache* GetHostCache(URLRequestContext* context) {
-  if (GetHostResolverImpl(context))
-    return GetHostResolverImpl(context)->cache();
-  return NULL;
-}
-
-//------------------------------------------------------------------------------
-// Subsection definitions.
-//------------------------------------------------------------------------------
-
-class SubSection {
- public:
-  // |name| is the URL path component for this subsection.
-  // |title| is the textual description.
-  SubSection(SubSection* parent, const char* name, const char* title)
-      : parent_(parent),
-        name_(name),
-        title_(title) {
-  }
-
-  virtual ~SubSection() {
-    STLDeleteContainerPointers(children_.begin(), children_.end());
-  }
-
-  // Outputs the subsection's contents to |out|.
-  virtual void OutputBody(URLRequestContext* context, std::string* out) {}
-
-  // Outputs this subsection, and all of its children.
-  void OutputRecursive(URLRequestContext* context, std::string* out) {
-    if (!is_root()) {
-      // Canonicalizing the URL escapes characters which cause problems in HTML.
-      std::string section_url = MakeURL(GetFullyQualifiedName()).spec();
-
-      // Print the heading.
-      StringAppendF(
-          out,
-          "<div>"
-          "<span class=subsection_title>%s</span> "
-          "<span class=subsection_name>(<a href='%s'>%s</a>)<span>"
-          "</div>",
-          EscapeForHTML(title_).c_str(),
-          section_url.c_str(),
-          EscapeForHTML(section_url).c_str());
-
-      out->append("<div class=subsection_body>");
-    }
-
-    OutputBody(context, out);
-
-    for (size_t i = 0; i < children_.size(); ++i)
-      children_[i]->OutputRecursive(context, out);
-
-    if (!is_root())
-      out->append("</div>");
-  }
-
-  // Returns the SubSection contained by |this| with fully qualified name
-  // |dotted_name|, or NULL if none was found.
-  SubSection* FindSubSectionByName(const std::string& dotted_name) {
-    if (dotted_name == "")
-      return this;
-
-    std::string child_name;
-    std::string child_sub_name;
-
-    size_t split_pos = dotted_name.find('.');
-    if (split_pos == std::string::npos) {
-      child_name = dotted_name;
-      child_sub_name = std::string();
-    } else {
-      child_name = dotted_name.substr(0, split_pos);
-      child_sub_name = dotted_name.substr(split_pos + 1);
-    }
-
-    for (size_t i = 0; i < children_.size(); ++i) {
-      if (children_[i]->name_ == child_name)
-        return children_[i]->FindSubSectionByName(child_sub_name);
-    }
-
-    return NULL;  // Not found.
-  }
-
-  std::string GetFullyQualifiedName() {
-    if (!parent_)
-      return name_;
-
-    std::string parent_name = parent_->GetFullyQualifiedName();
-    if (parent_name.empty())
-      return name_;
-
-    return parent_name + "." + name_;
-  }
-
-  bool is_root() const {
-    return parent_ == NULL;
-  }
-
- protected:
-  typedef std::vector<SubSection*> SubSectionList;
-
-  void AddSubSection(SubSection* subsection) {
-    children_.push_back(subsection);
-  }
-
-  SubSection* parent_;
-  std::string name_;
-  std::string title_;
-
-  SubSectionList children_;
-};
-
-class ProxyServiceCurrentConfigSubSection : public SubSection {
- public:
-  explicit ProxyServiceCurrentConfigSubSection(SubSection* parent)
-      : SubSection(parent, "config", "Current configuration") {
-  }
-
-  virtual void OutputBody(URLRequestContext* context, std::string* out) {
-    DrawCommandButton("Force reload", "reload-proxy-config", out);
-
-    net::ProxyService* proxy_service = context->proxy_service();
-    if (proxy_service->config_has_been_initialized()) {
-      // net::ProxyConfig defines an operator<<.
-      std::ostringstream stream;
-      stream << proxy_service->config();
-      OutputTextInPre(stream.str(), out);
-    } else {
-      out->append("<i>Not yet initialized</i>");
-    }
-  }
-};
-
-class ProxyServiceLastInitLogSubSection : public SubSection {
- public:
-  explicit ProxyServiceLastInitLogSubSection(SubSection* parent)
-      : SubSection(parent, "init_log", "Last initialized load log") {
-  }
-
-  virtual void OutputBody(URLRequestContext* context, std::string* out) {
-    OutputTextInPre(
-        net::NetLogUtil::PrettyPrintAsEventTree(
-            ConvertEntryList(GetInitProxyResolverTracker(context)->entries()),
-            0),
-        out);
-  }
-};
-
-class ProxyServiceBadProxiesSubSection : public SubSection {
- public:
-  explicit ProxyServiceBadProxiesSubSection(SubSection* parent)
-      : SubSection(parent, "bad_proxies", "Bad Proxies") {
-  }
-
-  virtual void OutputBody(URLRequestContext* context, std::string* out) {
-    net::ProxyService* proxy_service = context->proxy_service();
-    const net::ProxyRetryInfoMap& bad_proxies_map =
-        proxy_service->proxy_retry_info();
-
-    DrawCommandButton("Clear", "clear-badproxies", out);
-
-    out->append("<table border=1>");
-    out->append("<tr><th>Bad proxy server</th>"
-                "<th>Remaining time until retry (ms)</th></tr>");
-
-    for (net::ProxyRetryInfoMap::const_iterator it = bad_proxies_map.begin();
-         it != bad_proxies_map.end(); ++it) {
-      const std::string& proxy_uri = it->first;
-      const net::ProxyRetryInfo& retry_info = it->second;
-
-      // Note that ttl_ms may be negative, for the cases where entries have
-      // expired but not been garbage collected yet.
-      int ttl_ms = static_cast<int>(
-          (retry_info.bad_until - base::TimeTicks::Now()).InMilliseconds());
-
-      // Color expired entries blue.
-      if (ttl_ms > 0)
-        out->append("<tr>");
-      else
-        out->append("<tr style='color:blue'>");
-
-      StringAppendF(out, "<td>%s</td><td>%d</td>",
-                    EscapeForHTML(proxy_uri).c_str(),
-                    ttl_ms);
-
-      out->append("</tr>");
-    }
-    out->append("</table>");
-  }
-};
-
-class ProxyServiceSubSection : public SubSection {
- public:
-  explicit ProxyServiceSubSection(SubSection* parent)
-      : SubSection(parent, "proxyservice", "ProxyService") {
-    AddSubSection(new ProxyServiceCurrentConfigSubSection(this));
-    AddSubSection(new ProxyServiceLastInitLogSubSection(this));
-    AddSubSection(new ProxyServiceBadProxiesSubSection(this));
-  }
-};
-
-class HostResolverCacheSubSection : public SubSection {
- public:
-  explicit HostResolverCacheSubSection(SubSection* parent)
-      : SubSection(parent, "hostcache", "HostCache") {
-  }
-
-  virtual void OutputBody(URLRequestContext* context, std::string* out) {
-    const net::HostCache* host_cache = GetHostCache(context);
-
-    if (!host_cache || host_cache->caching_is_disabled()) {
-      out->append("<i>Caching is disabled.</i>");
-      return;
-    }
-
-    DrawCommandButton("Clear", "clear-hostcache", out);
-
-    StringAppendF(
-        out,
-        "<ul><li>Size: %" PRIuS "</li>"
-        "<li>Capacity: %" PRIuS "</li>"
-        "<li>Time to live (ms) for success entries: %" PRId64"</li>"
-        "<li>Time to live (ms) for failure entries: %" PRId64"</li></ul>",
-        host_cache->size(),
-        host_cache->max_entries(),
-        host_cache->success_entry_ttl().InMilliseconds(),
-        host_cache->failure_entry_ttl().InMilliseconds());
-
-    out->append("<table border=1>"
-                "<tr>"
-                "<th>Host</th>"
-                "<th>Address family</th>"
-                "<th>Address list</th>"
-                "<th>Canonical name</th>"
-                "<th>Time to live (ms)</th>"
-                "</tr>");
-
-    for (net::HostCache::EntryMap::const_iterator it =
-             host_cache->entries().begin();
-         it != host_cache->entries().end();
-         ++it) {
-      const net::HostCache::Key& key = it->first;
-      const net::HostCache::Entry* entry = it->second.get();
-
-      std::string address_family_str =
-          AddressFamilyToString(key.address_family);
-
-      // Note that ttl_ms may be negative, for the cases where entries have
-      // expired but not been garbage collected yet.
-      int ttl_ms = static_cast<int>(
-          (entry->expiration - base::TimeTicks::Now()).InMilliseconds());
-
-      // Color expired entries blue.
-      if (ttl_ms > 0) {
-        out->append("<tr>");
-      } else {
-        out->append("<tr style='color:blue'>");
-      }
-
-      // Stringify all of the addresses in the address list, separated
-      // by newlines (br).
-      std::string address_list_html;
-      std::string canonical_name_html;
-
-      if (entry->error != net::OK) {
-        address_list_html = "<span style='font-weight: bold; color:red'>" +
-                            EscapeForHTML(net::ErrorToString(entry->error)) +
-                            "</span>";
-      } else {
-        const struct addrinfo* current_address = entry->addrlist.head();
-        while (current_address) {
-          if (!address_list_html.empty())
-            address_list_html += "<br>";
-          address_list_html += EscapeForHTML(
-              net::NetAddressToString(current_address));
-          current_address = current_address->ai_next;
-        }
-        std::string canonical_name;
-        if (entry->addrlist.GetCanonicalName(&canonical_name))
-          canonical_name_html = EscapeForHTML(canonical_name);
-      }
-
-      StringAppendF(out,
-                    "<td>%s</td><td>%s</td><td>%s</td>"
-                    "<td>%s</td><td>%d</td></tr>",
-                    EscapeForHTML(key.hostname).c_str(),
-                    EscapeForHTML(address_family_str).c_str(),
-                    address_list_html.c_str(),
-                    canonical_name_html.c_str(),
-                    ttl_ms);
-    }
-
-    out->append("</table>");
-  }
-
-  static std::string AddressFamilyToString(net::AddressFamily address_family) {
-    switch (address_family) {
-      case net::ADDRESS_FAMILY_IPV4:
-        return "IPV4";
-      case net::ADDRESS_FAMILY_IPV6:
-        return "IPV6";
-      case net::ADDRESS_FAMILY_UNSPECIFIED:
-        return "UNSPECIFIED";
-      default:
-        NOTREACHED();
-        return "???";
-    }
-  }
-};
-
-class HostResolverTraceSubSection : public SubSection {
- public:
-  explicit HostResolverTraceSubSection(SubSection* parent)
-      : SubSection(parent, "trace", "Trace of requests") {
-  }
-
-  virtual void OutputBody(URLRequestContext* context, std::string* out) {
-    net::HostResolverImpl* resolver = GetHostResolverImpl(context);
-    if (!resolver) {
-      out->append("<i>Tracing is not supported by this resolver.</i>");
-      return;
-    }
-
-    DrawCommandButton("Clear", "clear-hostresolver-trace", out);
-
-    if (resolver->IsRequestsTracingEnabled()) {
-      DrawCommandButton("Disable tracing", "hostresolver-trace-disable", out);
-    } else {
-      DrawCommandButton("Enable tracing", "hostresolver-trace-enable", out);
-    }
-
-    net::CapturingNetLog::EntryList entries;
-    if (resolver->GetRequestsTrace(&entries)) {
-      out->append(
-          "<p>To make sense of this trace, process it with the Python script "
-          "formatter.py at "
-          "<a href='http://src.chromium.org/viewvc/chrome/trunk/src/net/tools/"
-          "dns_trace_formatter/'>net/tools/dns_trace_formatter</a></p>");
-      OutputTextInPre(net::NetLogUtil::PrettyPrintAsEventTree(entries, 0),
-                      out);
-    } else {
-      out->append("<p><i>No trace information, must enable tracing.</i></p>");
-    }
-  }
-};
-
-class HostResolverSubSection : public SubSection {
- public:
-  explicit HostResolverSubSection(SubSection* parent)
-      : SubSection(parent, "hostresolver", "HostResolver") {
-    AddSubSection(new HostResolverCacheSubSection(this));
-    AddSubSection(new HostResolverTraceSubSection(this));
-  }
-};
-
-// Helper for the URLRequest "outstanding" and "live" sections.
-void OutputURLAndLoadLog(const PassiveLogCollector::RequestInfo& request,
-                         std::string* out) {
-  out->append("<li>");
-  out->append("<nobr>");
-  out->append(EscapeForHTML(request.url));
-  out->append("</nobr>");
-  OutputTextInPre(
-      net::NetLogUtil::PrettyPrintAsEventTree(
-          ConvertEntryList(request.entries),
-          request.num_entries_truncated),
-      out);
-  out->append("</li>");
-}
-
-class URLRequestLiveSubSection : public SubSection {
- public:
-  explicit URLRequestLiveSubSection(SubSection* parent)
-      : SubSection(parent, "outstanding", "Outstanding requests") {
-  }
-
-  virtual void OutputBody(URLRequestContext* context, std::string* out) {
-    PassiveLogCollector::RequestInfoList requests =
-        GetURLRequestTracker(context)->GetLiveRequests();
-
-    out->append("<ol>");
-    for (size_t i = 0; i < requests.size(); ++i) {
-      // Reverse the list order, so we display from most recent to oldest.
-      size_t index = requests.size() - i - 1;
-      OutputURLAndLoadLog(requests[index], out);
-    }
-    out->append("</ol>");
-  }
-};
-
-class URLRequestRecentSubSection : public SubSection {
- public:
-  explicit URLRequestRecentSubSection(SubSection* parent)
-      : SubSection(parent, "recent", "Recently completed requests") {
-  }
-
-  virtual void OutputBody(URLRequestContext* context, std::string* out) {
-    PassiveLogCollector::RequestInfoList recent =
-        GetURLRequestTracker(context)->GetRecentlyDeceased();
-
-    DrawCommandButton("Clear", "clear-urlrequest-graveyard", out);
-
-    out->append("<ol>");
-    for (size_t i = 0; i < recent.size(); ++i) {
-      // Reverse the list order, so we dispay from most recent to oldest.
-      size_t index = recent.size() - i - 1;
-      OutputURLAndLoadLog(recent[index], out);
-    }
-    out->append("</ol>");
-  }
-};
-
-class URLRequestSubSection : public SubSection {
- public:
-  explicit URLRequestSubSection(SubSection* parent)
-      : SubSection(parent, "urlrequest", "URLRequest") {
-    AddSubSection(new URLRequestLiveSubSection(this));
-    AddSubSection(new URLRequestRecentSubSection(this));
-  }
-};
-
-class HttpCacheStatsSubSection : public SubSection {
- public:
-  explicit HttpCacheStatsSubSection(SubSection* parent)
-      : SubSection(parent, "stats", "Statistics") {
-  }
-
-  virtual void OutputBody(URLRequestContext* context, std::string* out) {
-    ViewCacheHelper::GetStatisticsHTML(context, out);
-  }
-};
-
-class HttpCacheSection : public SubSection {
- public:
-  explicit HttpCacheSection(SubSection* parent)
-      : SubSection(parent, "httpcache", "HttpCache") {
-    AddSubSection(new HttpCacheStatsSubSection(this));
-  }
-
-  virtual void OutputBody(URLRequestContext* context, std::string* out) {
-    // Advertise the view-cache URL (too much data to inline it).
-    out->append("<p><a href='/");
-    out->append(kViewHttpCacheSubPath);
-    out->append("'>View all cache entries</a></p>");
-  }
-};
-
-class SocketStreamLiveSubSection : public SubSection {
- public:
-  explicit SocketStreamLiveSubSection(SubSection* parent)
-      : SubSection(parent, "live", "Live SocketStreams") {
-  }
-
-  virtual void OutputBody(URLRequestContext* context, std::string* out) {
-    PassiveLogCollector::RequestInfoList sockets =
-        GetSocketStreamTracker(context)->GetLiveRequests();
-
-    out->append("<ol>");
-    for (size_t i = 0; i < sockets.size(); ++i) {
-      // Reverse the list order, so we dispay from most recent to oldest.
-      size_t index = sockets.size() - i - 1;
-      OutputURLAndLoadLog(sockets[index], out);
-    }
-    out->append("</ol>");
-  }
-};
-
-class SocketStreamRecentSubSection : public SubSection {
- public:
-  explicit SocketStreamRecentSubSection(SubSection* parent)
-      : SubSection(parent, "recent", "Recently completed SocketStreams") {
-  }
-
-  virtual void OutputBody(URLRequestContext* context, std::string* out) {
-    PassiveLogCollector::RequestInfoList recent =
-    GetSocketStreamTracker(context)->GetRecentlyDeceased();
-
-    DrawCommandButton("Clear", "clear-socketstream-graveyard", out);
-
-    out->append("<ol>");
-    for (size_t i = 0; i < recent.size(); ++i) {
-      // Reverse the list order, so we dispay from most recent to oldest.
-      size_t index = recent.size() - i - 1;
-      OutputURLAndLoadLog(recent[index], out);
-    }
-    out->append("</ol>");
-  }
-};
-
-class SocketStreamSubSection : public SubSection {
- public:
-  explicit SocketStreamSubSection(SubSection* parent)
-      : SubSection(parent, "socketstream", "SocketStream") {
-    AddSubSection(new SocketStreamLiveSubSection(this));
-    AddSubSection(new SocketStreamRecentSubSection(this));
-  }
-};
-
-class AllSubSections : public SubSection {
- public:
-  AllSubSections() : SubSection(NULL, "", "") {
-    AddSubSection(new ProxyServiceSubSection(this));
-    AddSubSection(new HostResolverSubSection(this));
-    AddSubSection(new URLRequestSubSection(this));
-    AddSubSection(new HttpCacheSection(this));
-    AddSubSection(new SocketStreamSubSection(this));
-  }
-};
-
-bool HandleCommand(const std::string& command,
-                   URLRequestContext* context) {
-  if (StartsWithASCII(command, "full-logging-", true)) {
-    bool enable_full_logging = (command == "full-logging-enable");
-    GetURLRequestTracker(context)->SetUnbounded(enable_full_logging);
-    GetSocketStreamTracker(context)->SetUnbounded(enable_full_logging);
-    return true;
-  }
-
-  if (StartsWithASCII(command, "hostresolver-trace-", true)) {
-    bool enable_tracing = (command == "hostresolver-trace-enable");
-    if (GetHostResolverImpl(context)) {
-      GetHostResolverImpl(context)->EnableRequestsTracing(enable_tracing);
-    }
-  }
-
-  if (command == "clear-urlrequest-graveyard") {
-    GetURLRequestTracker(context)->ClearRecentlyDeceased();
-    return true;
-  }
-
-  if (command == "clear-socketstream-graveyard") {
-    GetSocketStreamTracker(context)->ClearRecentlyDeceased();
-    return true;
-  }
-
-  if (command == "clear-hostcache") {
-    net::HostCache* host_cache = GetHostCache(context);
-    if (host_cache)
-      host_cache->clear();
-    return true;
-  }
-
-  if (command == "clear-badproxies") {
-    context->proxy_service()->ClearBadProxiesCache();
-    return true;
-  }
-
-  if (command == "clear-hostresolver-trace") {
-    if (GetHostResolverImpl(context))
-      GetHostResolverImpl(context)->ClearRequestsTrace();
-  }
-
-  if (command == "reload-proxy-config") {
-    context->proxy_service()->ForceReloadProxyConfig();
-    return true;
-  }
-
-  return false;
-}
-
-// Process any query strings in the request (for actions like toggling
-// full logging.
-void ProcessQueryStringCommands(URLRequestContext* context,
-                                const std::string& query) {
-  if (!StartsWithASCII(query, "commands=", true)) {
-    // Not a recognized format.
-    return;
-  }
-
-  std::string commands_str = query.substr(strlen("commands="));
-  commands_str = UnescapeURLComponent(commands_str, UnescapeRule::NORMAL);
-
-  // The command list is comma-separated.
-  std::vector<std::string> commands;
-  SplitString(commands_str, ',', &commands);
-
-  for (size_t i = 0; i < commands.size(); ++i)
-    HandleCommand(commands[i], context);
-}
-
-// Appends some HTML controls to |data| that allow the user to enable full
-// logging, and clear some of the already logged data.
-void DrawControlsHeader(URLRequestContext* context, std::string* data) {
-  bool is_full_logging_enabled =
-      GetURLRequestTracker(context)->is_unbounded() &&
-      GetSocketStreamTracker(context)->is_unbounded();
-
-  data->append("<div style='margin-bottom: 10px'>");
-
-  if (is_full_logging_enabled) {
-    DrawCommandButton("Disable full logging", "full-logging-disable", data);
-  } else {
-    DrawCommandButton("Enable full logging", "full-logging-enable", data);
-  }
-
-  DrawCommandButton("Clear all data",
-                    // Send a list of comma separated commands:
-                    "clear-badproxies,"
-                    "clear-hostcache,"
-                    "clear-urlrequest-graveyard,"
-                    "clear-socketstream-graveyard,"
-                    "clear-hostresolver-trace",
-                    data);
-
-  data->append("</div>");
-}
-
-bool ViewNetInternalsJob::GetData(std::string* mime_type,
-                                  std::string* charset,
-                                  std::string* data) const {
-  mime_type->assign("text/html");
-  charset->assign("UTF-8");
-
-  URLRequestContext* context =
-      static_cast<URLRequestContext*>(request_->context());
-
-  data->clear();
-
-  // Use a different handler for "view-cache/*" subpaths.
-  std::string cache_key;
-  if (GetViewCacheKeyForRequest(&cache_key)) {
-    GURL url = MakeURL(kViewHttpCacheSubPath + std::string("/"));
-    ViewCacheHelper::GetEntryInfoHTML(cache_key, context, url.spec(), data);
-    return true;
-  }
-
-  // Handle any query arguments as a command request, then redirect back to
-  // the same URL stripped of query parameters. The redirect happens as part
-  // of IsRedirectResponse().
-  if (request_->url().has_query()) {
-    ProcessQueryStringCommands(context, request_->url().query());
-    return true;
-  }
-
-  std::string details = GetDetails(request_->url());
-
-  data->append("<!DOCTYPE HTML>"
-               "<html><head><title>Network internals</title>"
-               "<style>"
-               "body { font-family: sans-serif; font-size: 0.8em; }\n"
-               "tt, code, pre { font-family: WebKitHack, monospace; }\n"
-               ".subsection_body { margin: 10px 0 10px 2em; }\n"
-               ".subsection_title { font-weight: bold; }\n"
-               "</style>"
-               "<script>\n"
-
-               // Unfortunately we can't do XHR from chrome://net-internals
-               // because the chrome:// protocol restricts access.
-               //
-               // So instead, we will send commands by doing a form
-               // submission (which as a side effect will reload the page).
-               "function DoCommand(command) {\n"
-               "  document.getElementById('cmd').value = command;\n"
-               "  document.getElementById('cmdsender').submit();\n"
-               "}\n"
-
-               "</script>\n"
-               "</head><body>"
-               "<form action='' method=GET id=cmdsender>"
-               "<input type='hidden' id=cmd name='commands'>"
-               "</form>"
-               "<p><a href='http://dev.chromium.org/"
-               "developers/design-documents/view-net-internals'>"
-               "Help: how do I use this?</a></p>");
-
-  DrawControlsHeader(context, data);
-
-  SubSection* all = Singleton<AllSubSections>::get();
-  SubSection* section = all;
-
-  // Display only the subsection tree asked for.
-  if (!details.empty())
-    section = all->FindSubSectionByName(details);
-
-  if (section) {
-    section->OutputRecursive(context, data);
-  } else {
-    data->append("<i>Nothing found for \"");
-    data->append(EscapeForHTML(details));
-    data->append("\"</i>");
-  }
-
-  data->append("</body></html>");
-
-  return true;
-}
-
-bool ViewNetInternalsJob::IsRedirectResponse(GURL* location,
-                                             int* http_status_code) {
-  if (request_->url().has_query() && !GetViewCacheKeyForRequest(NULL)) {
-    // Strip the query parameters.
-    GURL::Replacements replacements;
-    replacements.ClearQuery();
-    *location = request_->url().ReplaceComponents(replacements);
-    *http_status_code = 307;
-    return true;
-  }
-  return false;
-}
-
-bool ViewNetInternalsJob::GetViewCacheKeyForRequest(
-    std::string* key) const {
-  std::string path = GetDetails(request_->url());
-  if (!StartsWithASCII(path, kViewHttpCacheSubPath, true))
-    return false;
-
-  if (path.size() > strlen(kViewHttpCacheSubPath) &&
-      path[strlen(kViewHttpCacheSubPath)] != '/')
-    return false;
-
-  if (key && path.size() > strlen(kViewHttpCacheSubPath) + 1)
-    *key = path.substr(strlen(kViewHttpCacheSubPath) + 1);
-
-  return true;
-}
-
-}  // namespace
-
-// static
-bool ViewNetInternalsJobFactory::IsSupportedURL(const GURL& url) {
-  // Note that kNetworkViewInternalsURL is terminated by a '/'.
-  return StartsWithASCII(url.spec(),
-                         chrome::kNetworkViewInternalsURL,
-                         true /*case_sensitive*/);
-}
-
-// static
-URLRequestJob* ViewNetInternalsJobFactory::CreateJobForRequest(
-    URLRequest* request) {
-  return new ViewNetInternalsJob(request);
-}