Generalize the net module's LoadLog facility from a passive container, to an event stream (NetLog).

net/proxy/init_proxy_resolver.cc

 // Copyright (c) 2009 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 "net/proxy/init_proxy_resolver.h"
 
 #include "base/compiler_specific.h"
 #include "base/format_macros.h"
 #include "base/logging.h"
 #include "base/string_util.h"
-#include "net/base/load_log.h"
+#include "net/base/net_log.h"
 #include "net/base/net_errors.h"
 #include "net/proxy/proxy_config.h"
 #include "net/proxy/proxy_resolver.h"
 #include "net/proxy/proxy_script_fetcher.h"
 
 namespace net {
 
 InitProxyResolver::InitProxyResolver(ProxyResolver* resolver,
                                      ProxyScriptFetcher* proxy_script_fetcher)
     : resolver_(resolver),
       proxy_script_fetcher_(proxy_script_fetcher),
       ALLOW_THIS_IN_INITIALIZER_LIST(io_callback_(
           this, &InitProxyResolver::OnIOCompletion)),
       user_callback_(NULL),
       current_pac_url_index_(0u),
       next_state_(STATE_NONE) {
 }
 
 InitProxyResolver::~InitProxyResolver() {
   if (next_state_ != STATE_NONE)
     Cancel();
 }
 
 int InitProxyResolver::Init(const ProxyConfig& config,
                             CompletionCallback* callback,
-                            LoadLog* load_log) {
+                            const BoundNetLog& net_log) {
   DCHECK_EQ(STATE_NONE, next_state_);
   DCHECK(callback);
   DCHECK(config.MayRequirePACResolver());
-  DCHECK(!load_log_);
+  DCHECK(!net_log_.net_log());
 
-  load_log_ = load_log;
+  net_log_ = net_log;
 
-  LoadLog::BeginEvent(load_log_, LoadLog::TYPE_INIT_PROXY_RESOLVER);
+  net_log_.BeginEvent(NetLog::TYPE_INIT_PROXY_RESOLVER);
 
   pac_urls_ = BuildPacUrlsFallbackList(config);
   DCHECK(!pac_urls_.empty());
 
   next_state_ = GetStartState();
 
   int rv = DoLoop(OK);
   if (rv == ERR_IO_PENDING)
     user_callback_ = callback;
   else
@@ skipping 59 matching lines @@
 
 void InitProxyResolver::DoCallback(int result) {
   DCHECK_NE(ERR_IO_PENDING, result);
   DCHECK(user_callback_);
   user_callback_->Run(result);
 }
 
 int InitProxyResolver::DoFetchPacScript() {
   DCHECK(resolver_->expects_pac_bytes());
 
-  LoadLog::BeginEvent(load_log_,
-      LoadLog::TYPE_INIT_PROXY_RESOLVER_FETCH_PAC_SCRIPT);
+  net_log_.BeginEvent(NetLog::TYPE_INIT_PROXY_RESOLVER_FETCH_PAC_SCRIPT);
 
   next_state_ = STATE_FETCH_PAC_SCRIPT_COMPLETE;
 
   const GURL& pac_url = current_pac_url();
 
-  LoadLog::AddString(load_log_, pac_url.spec());
+  net_log_.AddString(pac_url.spec());
 
   if (!proxy_script_fetcher_) {
-    LoadLog::AddStringLiteral(load_log_,
+    net_log_.AddStringLiteral(
         "Can't download PAC script, because no fetcher was specified");
     return ERR_UNEXPECTED;
   }
 
   return proxy_script_fetcher_->Fetch(pac_url, &pac_bytes_, &io_callback_);
 }
 
 int InitProxyResolver::DoFetchPacScriptComplete(int result) {
   DCHECK(resolver_->expects_pac_bytes());
 
-  LoadLog::AddString(load_log_,
-      StringPrintf(
+  net_log_.AddString(StringPrintf(
           "Completed fetch with result %s. Received %" PRIuS " bytes",
           ErrorToString(result),
           pac_bytes_.size()));
 
-  LoadLog::EndEvent(load_log_,
-      LoadLog::TYPE_INIT_PROXY_RESOLVER_FETCH_PAC_SCRIPT);
+  net_log_.EndEvent(NetLog::TYPE_INIT_PROXY_RESOLVER_FETCH_PAC_SCRIPT);
 
   if (result != OK)
     return TryToFallbackPacUrl(result);
 
   next_state_ = STATE_SET_PAC_SCRIPT;
   return result;
 }
 
 int InitProxyResolver::DoSetPacScript() {
-  LoadLog::BeginEvent(load_log_,
-      LoadLog::TYPE_INIT_PROXY_RESOLVER_SET_PAC_SCRIPT);
+  net_log_.BeginEvent(NetLog::TYPE_INIT_PROXY_RESOLVER_SET_PAC_SCRIPT);
 
   const GURL& pac_url = current_pac_url();
 
   next_state_ = STATE_SET_PAC_SCRIPT_COMPLETE;
 
   return resolver_->expects_pac_bytes() ?
       resolver_->SetPacScriptByData(pac_bytes_, &io_callback_) :
       resolver_->SetPacScriptByUrl(pac_url, &io_callback_);
 }
 
 int InitProxyResolver::DoSetPacScriptComplete(int result) {
   if (result != OK) {
-    LoadLog::AddString(load_log_,
+    net_log_.AddString(
         StringPrintf("Failed initializing the PAC script with error: %s",
                      ErrorToString(result)));
-    LoadLog::EndEvent(load_log_,
-        LoadLog::TYPE_INIT_PROXY_RESOLVER_SET_PAC_SCRIPT);
+    net_log_.EndEvent(NetLog::TYPE_INIT_PROXY_RESOLVER_SET_PAC_SCRIPT);
     return TryToFallbackPacUrl(result);
   }
 
-  LoadLog::AddStringLiteral(load_log_, "Successfully initialized PAC script.");
+  net_log_.AddStringLiteral("Successfully initialized PAC script.");
 
-  LoadLog::EndEvent(load_log_,
-      LoadLog::TYPE_INIT_PROXY_RESOLVER_SET_PAC_SCRIPT);
+  net_log_.EndEvent(NetLog::TYPE_INIT_PROXY_RESOLVER_SET_PAC_SCRIPT);
   return result;
 }
 
 int InitProxyResolver::TryToFallbackPacUrl(int error) {
   DCHECK_LT(error, 0);
 
   if (current_pac_url_index_ + 1 >= pac_urls_.size()) {
     // Nothing left to fall back to.
     return error;
   }
 
   // Advance to next URL in our list.
   ++current_pac_url_index_;
 
-  LoadLog::AddStringLiteral(load_log_, "Falling back to next PAC URL...");
+  net_log_.AddStringLiteral("Falling back to next PAC URL...");
 
   next_state_ = GetStartState();
 
   return OK;
 }
 
 InitProxyResolver::State InitProxyResolver::GetStartState() const {
   return resolver_->expects_pac_bytes() ?
       STATE_FETCH_PAC_SCRIPT : STATE_SET_PAC_SCRIPT;
 }
 
 const GURL& InitProxyResolver::current_pac_url() const {
   DCHECK_LT(current_pac_url_index_, pac_urls_.size());
   return pac_urls_[current_pac_url_index_];
 }
 
 void InitProxyResolver::DidCompleteInit() {
-  LoadLog::EndEvent(load_log_, LoadLog::TYPE_INIT_PROXY_RESOLVER);
+  net_log_.EndEvent(NetLog::TYPE_INIT_PROXY_RESOLVER);
 }
 
 void InitProxyResolver::Cancel() {
   DCHECK_NE(STATE_NONE, next_state_);
 
-  LoadLog::AddEvent(load_log_, LoadLog::TYPE_CANCELLED);
+  net_log_.AddEvent(NetLog::TYPE_CANCELLED);
 
   switch (next_state_) {
     case STATE_FETCH_PAC_SCRIPT_COMPLETE:
       proxy_script_fetcher_->Cancel();
       break;
     case STATE_SET_PAC_SCRIPT_COMPLETE:
       resolver_->CancelSetPacScript();
       break;
     default:
       NOTREACHED();
       break;
   }
 
   DidCompleteInit();
 }
 
 }  // namespace net