DevTools: place DevTools WebContents underneath inspected WebContents.

chrome/browser/prefs/browser_prefs.cc

 // Copyright 2012 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/prefs/browser_prefs.h"
 
 #include "apps/prefs.h"
 #include "base/debug/trace_event.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/prefs/pref_service.h"
@@ skipping 507 matching lines @@
     registry->RegisterListPref(prefs::kDnsHostReferralList);
     local_state->ClearPref(prefs::kDnsHostReferralList);
 
     current_version |= DNS_PREFS;
     local_state->SetInteger(prefs::kMultipleProfilePrefMigration,
                             current_version);
   }
 
   PrefService* user_prefs = profile->GetPrefs();
   if (!(current_version & WINDOWS_PREFS)) {
-    registry->RegisterIntegerPref(prefs::kDevToolsHSplitLocation, -1);
-    if (local_state->HasPrefPath(prefs::kDevToolsHSplitLocation)) {
-      user_prefs->SetInteger(
-          prefs::kDevToolsHSplitLocation,
-          local_state->GetInteger(prefs::kDevToolsHSplitLocation));
-    }
-    local_state->ClearPref(prefs::kDevToolsHSplitLocation);
-
     registry->RegisterDictionaryPref(prefs::kBrowserWindowPlacement);
     if (local_state->HasPrefPath(prefs::kBrowserWindowPlacement)) {
       const PrefService::Preference* pref =
           local_state->FindPreference(prefs::kBrowserWindowPlacement);
       DCHECK(pref);
       user_prefs->Set(prefs::kBrowserWindowPlacement,
                       *(pref->GetValue()));
     }
     local_state->ClearPref(prefs::kBrowserWindowPlacement);
 
@@ skipping 24 matching lines @@
     local_state->SetInteger(prefs::kMultipleProfilePrefMigration,
                             current_version);
   }
 
 #if defined(OS_CHROMEOS)
   chromeos::default_pinned_apps_field_trial::MigratePrefs(local_state);
 #endif
 }
 
 }  // namespace chrome