Add the ability for DevTools to wrap network transactions.

chrome/browser/profiles/profile.h

Index: chrome/browser/profiles/profile.h
diff --git a/chrome/browser/profiles/profile.h b/chrome/browser/profiles/profile.h
index d7bde712eb8e582a13b352957ca2fd9b387f3a00..a1dd521e601596698ad5c060e10b89dc6ce85202 100644
--- a/chrome/browser/profiles/profile.h
+++ b/chrome/browser/profiles/profile.h
@@ -17,6 +17,7 @@
 #include "content/public/browser/content_browser_client.h"
 
 class ChromeAppCacheService;
+class DevToolsNetworkController;
 class ExtensionService;
 class ExtensionSpecialStoragePolicy;
 class FaviconService;
@@ -312,6 +313,9 @@ class Profile : public content::BrowserContext {
   // Returns the Predictor object used for dns prefetch.
   virtual chrome_browser_net::Predictor* GetNetworkPredictor() = 0;
 
+  // Returns the DevToolsNetworkController for this profile.
+  virtual DevToolsNetworkController* GetDevToolsNetworkController() = 0;
+
   // Deletes all network related data since |time|. It deletes transport
   // security state since |time| and it also deletes HttpServerProperties data.
   // Works asynchronously, however if the |completion| callback is non-null, it