Hooking MHTML generation to the browser.

chrome/test/testing_browser_process.cc

Index: chrome/test/testing_browser_process.cc
diff --git a/chrome/test/testing_browser_process.cc b/chrome/test/testing_browser_process.cc
index 21721696064ef067c15c9a46443c1d56abe87932..cda565cb60ae7fc8f8f4a8a4c037eb24cb2a4d6a 100644
--- a/chrome/test/testing_browser_process.cc
+++ b/chrome/test/testing_browser_process.cc
@@ -6,6 +6,7 @@
 
 #include "base/string_util.h"
 #include "base/synchronization/waitable_event.h"
+#include "chrome/browser/download/mhtml_generation_manager.h"
 #include "chrome/browser/google/google_url_tracker.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
 #include "chrome/browser/policy/browser_policy_connector.h"
@@ -236,6 +237,12 @@ prerender::PrerenderTracker* TestingBrowserProcess::prerender_tracker() {
   return prerender_tracker_.get();
 }
 
+MHTMLGenerationManager* TestingBrowserProcess::mhtml_generation_manager() {
+  if (!mhtml_generation_manager_.get())
+    mhtml_generation_manager_.reset(new MHTMLGenerationManager());
+  return mhtml_generation_manager_.get();
+}
+
 void TestingBrowserProcess::SetLocalState(PrefService* local_state) {
   local_state_ = local_state;
 }