Revert of Disable user gesture checking for all autofill browser tests.

chrome/renderer/autofill/autofill_renderer_browsertest.cc

 // Copyright (c) 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 "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/test/base/chrome_render_view_test.h"
 #include "chrome/test/base/ui_test_utils.h"
@@ skipping 240 matching lines @@
            "  <input type='text' id='full_name'/>"
            "</form>");
 
   blink::WebInputElement full_name =
       GetMainFrame()->document().getElementById("full_name")
           .to<blink::WebInputElement>();
   while (!full_name.focused())
     GetMainFrame()->view()->advanceFocus(false);
 
   // Not a user gesture, so no IPC message to browser.
-  DisableUserGestureSimulationForAutofill();
   full_name.setValue("Alice", true);
   GetMainFrame()->toWebLocalFrame()->autofillClient()->textFieldDidChange(
       full_name);
   base::MessageLoop::current()->RunUntilIdle();
   ASSERT_EQ(nullptr, render_thread_->sink().GetFirstMessageMatching(
                          AutofillHostMsg_TextFieldDidChange::ID));
 
   // A user gesture will send a message to the browser.
-  EnableUserGestureSimulationForAutofill();
   SimulateUserInputChangeForElement(&full_name, "Alice");
   ASSERT_NE(nullptr, render_thread_->sink().GetFirstMessageMatching(
                          AutofillHostMsg_TextFieldDidChange::ID));
 }
 
 class RequestAutocompleteRendererTest : public AutofillRendererTest {
  public:
   RequestAutocompleteRendererTest()
       : invoking_frame_(NULL), sibling_frame_(NULL) {}
   ~RequestAutocompleteRendererTest() override {}
@@ skipping 63 matching lines @@
 };
 
 TEST_F(RequestAutocompleteRendererTest, InvokingTwiceOnlyShowsOnce) {
   // Attempting to show the requestAutocomplete dialog again should be ignored.
   invoking_frame_->autofillClient()->didRequestAutocomplete(invoking_form());
   EXPECT_FALSE(render_thread_->sink().GetFirstMessageMatching(
       AutofillHostMsg_RequestAutocomplete::ID));
 }
 
 }  // namespace autofill