Remove page IDs from three WebContentsObserver APIs that don't need it.

chrome/browser/ui/website_settings/permission_bubble_manager_unittest.cc

 // Copyright 2014 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 "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/website_settings/mock_permission_bubble_request.h"
 #include "chrome/browser/ui/website_settings/permission_bubble_manager.h"
 #include "chrome/browser/ui/website_settings/permission_bubble_request.h"
@@ skipping 68 matching lines @@
 
   void ToggleAccept(int index, bool value) {
     manager_->ToggleAccept(index, value);
   }
 
   void Accept() {
     manager_->Accept();
   }
 
   void WaitForCoalescing() {
-    manager_->DocumentOnLoadCompletedInMainFrame(0);
+    manager_->DocumentOnLoadCompletedInMainFrame();
     base::MessageLoop::current()->RunUntilIdle();
   }
 
   virtual void NavigationEntryCommitted(
       const content::LoadCommittedDetails& details) {
     manager_->NavigationEntryCommitted(details);
   }
 
  protected:
   MockPermissionBubbleRequest request1_;
@@ skipping 223 matching lines @@
 
   EXPECT_TRUE(view_.shown_);
   ASSERT_EQ(1u, view_.permission_requests_.size());
 
   NavigateAndCommit(GURL("http://www2.google.com/"));
   WaitForCoalescing();
 
   EXPECT_TRUE(request1_.finished());
   EXPECT_TRUE(request2_.finished());
 }