Cleanup: remove dead code from InstantPage and InstantController

chrome/browser/ui/search/instant_page_unittest.cc

 // Copyright 2013 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/ui/search/instant_page.h"
 
 #include <stdint.h>
 
 #include <memory>
 
@@ skipping 50 matching lines @@
   std::unique_ptr<InstantPage> page;
   FakePageDelegate delegate;
 };
 
 void InstantPageTest::SetUp() {
   ChromeRenderViewHostTestHarness::SetUp();
   SearchTabHelper::CreateForWebContents(web_contents());
 }
 
 TEST_F(InstantPageTest, IsLocal) {
-  page.reset(new InstantPage(&delegate, "", NULL));
+  page.reset(new InstantPage(&delegate));
   EXPECT_FALSE(page->supports_instant());
   EXPECT_FALSE(page->IsLocal());
   page->SetContents(web_contents());
   NavigateAndCommit(GURL(chrome::kChromeSearchLocalNtpUrl));
   EXPECT_TRUE(page->IsLocal());
   NavigateAndCommit(GURL("http://example.com"));
   EXPECT_FALSE(page->IsLocal());
 }
 
 TEST_F(InstantPageTest, DetermineIfPageSupportsInstant_Local) {
-  page.reset(new InstantPage(&delegate, "", NULL));
+  page.reset(new InstantPage(&delegate));
   EXPECT_FALSE(page->supports_instant());
   page->SetContents(web_contents());
   NavigateAndCommit(GURL(chrome::kChromeSearchLocalNtpUrl));
   EXPECT_TRUE(page->IsLocal());
   EXPECT_CALL(delegate, InstantSupportDetermined(web_contents(), true))
       .Times(1);
   SearchTabHelper::FromWebContents(web_contents())->
       DetermineIfPageSupportsInstant();
   EXPECT_TRUE(page->supports_instant());
 }
 
 TEST_F(InstantPageTest, DetermineIfPageSupportsInstant_NonLocal) {
-  page.reset(new InstantPage(&delegate, "", NULL));
+  page.reset(new InstantPage(&delegate));
   EXPECT_FALSE(page->supports_instant());
   page->SetContents(web_contents());
   NavigateAndCommit(GURL("chrome-search://foo/bar"));
   EXPECT_FALSE(page->IsLocal());
   process()->sink().ClearMessages();
   SearchTabHelper::FromWebContents(web_contents())->
       DetermineIfPageSupportsInstant();
   const IPC::Message* message = process()->sink().GetFirstMessageMatching(
       ChromeViewMsg_DetermineIfPageSupportsInstant::ID);
   ASSERT_TRUE(message != NULL);
   EXPECT_EQ(web_contents()->GetRoutingID(), message->routing_id());
 }
 
 TEST_F(InstantPageTest, PageURLDoesntBelongToInstantRenderer) {
-  page.reset(new InstantPage(&delegate, "", NULL));
+  page.reset(new InstantPage(&delegate));
   EXPECT_FALSE(page->supports_instant());
   NavigateAndCommit(GURL(chrome::kChromeSearchLocalNtpUrl));
   page->SetContents(web_contents());
 
   // Navigate to a page URL that doesn't belong to Instant renderer.
   // SearchTabHelper::DeterminerIfPageSupportsInstant() should return
   // immediately without dispatching any message to the renderer.
   NavigateAndCommit(GURL("http://www.example.com"));
   EXPECT_FALSE(page->IsLocal());
   process()->sink().ClearMessages();
   EXPECT_CALL(delegate, InstantSupportDetermined(web_contents(), false))
       .Times(1);
 
   SearchTabHelper::FromWebContents(web_contents())->
       DetermineIfPageSupportsInstant();
   const IPC::Message* message = process()->sink().GetFirstMessageMatching(
       ChromeViewMsg_DetermineIfPageSupportsInstant::ID);
   ASSERT_TRUE(message == NULL);
   EXPECT_FALSE(page->supports_instant());
 }
 
 // Test to verify that ChromeViewMsg_DetermineIfPageSupportsInstant message
 // reply handler updates the instant support state in InstantPage.
 TEST_F(InstantPageTest, PageSupportsInstant) {
-  page.reset(new InstantPage(&delegate, "", NULL));
+  page.reset(new InstantPage(&delegate));
   EXPECT_FALSE(page->supports_instant());
   page->SetContents(web_contents());
   NavigateAndCommit(GURL("chrome-search://foo/bar"));
   process()->sink().ClearMessages();
   SearchTabHelper::FromWebContents(web_contents())->
       DetermineIfPageSupportsInstant();
   const IPC::Message* message = process()->sink().GetFirstMessageMatching(
       ChromeViewMsg_DetermineIfPageSupportsInstant::ID);
   ASSERT_TRUE(message != NULL);
   EXPECT_EQ(web_contents()->GetRoutingID(), message->routing_id());
 
   EXPECT_CALL(delegate, InstantSupportDetermined(web_contents(), true))
       .Times(1);
 
   // Assume the page supports instant. Invoke the message reply handler to make
   // sure the InstantPage is notified about the instant support state.
   const content::NavigationEntry* entry =
       web_contents()->GetController().GetLastCommittedEntry();
   EXPECT_TRUE(entry);
   SearchTabHelper::FromWebContents(web_contents())->InstantSupportChanged(true);
   EXPECT_TRUE(page->supports_instant());
 }