Add the ability for DevTools to wrap network transactions.

chrome/browser/profiles/profile_io_data.h

Index: chrome/browser/profiles/profile_io_data.h
diff --git a/chrome/browser/profiles/profile_io_data.h b/chrome/browser/profiles/profile_io_data.h
index d849d2811a1725f02cdd73852471fd6a2bc100ba..4c670aeecaf37aa3203ab237df2f81be9e840f9d 100644
--- a/chrome/browser/profiles/profile_io_data.h
+++ b/chrome/browser/profiles/profile_io_data.h
@@ -16,6 +16,7 @@
 #include "base/prefs/pref_member.h"
 #include "base/synchronization/lock.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
+#include "chrome/browser/devtools/devtools_network_controller.h"
 #include "chrome/browser/io_thread.h"
 #include "chrome/browser/net/chrome_url_request_context.h"
 #include "chrome/browser/profiles/storage_partition_descriptor.h"
@@ -23,6 +24,7 @@
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/resource_context.h"
 #include "net/cookies/cookie_monster.h"
+#include "net/http/http_cache.h"
 #include "net/http/http_network_session.h"
 #include "net/url_request/url_request_job_factory.h"
 
@@ -183,6 +185,10 @@ class ProfileIOData {
     return transport_security_state_.get();
   }
 
+  DevToolsNetworkController* devtools_network_controller() const {
+    return devtools_network_controller_;
+  }
+
 #if defined(OS_CHROMEOS)
   std::string username_hash() const {
     return username_hash_;
@@ -349,11 +355,10 @@ class ProfileIOData {
   // URLRequests may be accessing.
   void DestroyResourceContext();
 
-  // Fills in fields of params using values from main_request_context_ and the
-  // IOThread associated with profile_params.
-  void PopulateNetworkSessionParams(
+  // Creates network session and network transaction factory.
+  net::HttpCache* CreateMainHttpFactory(
       const ProfileParams* profile_params,
-      net::HttpNetworkSession::Params* params) const;
+      net::HttpCache::BackendFactory* main_backend) const;
 
   void SetCookieSettingsForTesting(CookieSettings* cookie_settings);
 
@@ -550,6 +555,8 @@ class ProfileIOData {
   mutable scoped_refptr<const ManagedModeURLFilter> managed_mode_url_filter_;
 #endif
 
+  mutable DevToolsNetworkController* devtools_network_controller_;
+
   // TODO(jhawkins): Remove once crbug.com/102004 is fixed.
   bool initialized_on_UI_thread_;