(Reland) set navigationStart based on CommonNavigationParams

content/renderer/render_view_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/basictypes.h"
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/string_util.h"
@@ skipping 2239 matching lines @@
   EXPECT_EQ(params.viewSize.width, width);
   EXPECT_TRUE(ExecuteJavaScriptAndReturnIntValue(get_height, &height));
   EXPECT_EQ(params.viewSize.height, height);
 
   view()->OnDisableDeviceEmulation();
 
   view()->OnEnableDeviceEmulation(params);
   // Don't disable here to test that emulation is being shutdown properly.
 }
 
-// Sanity checks for the Navigation Timing API |navigationStart| override. We
+// Sanity check for the Navigation Timing API |navigationStart| override. We
 // are asserting only most basic constraints, as TimeTicks (passed as the
 // override) are not comparable with the wall time (returned by the Blink API).
 TEST_F(RenderViewImplTest, NavigationStartOverride) {
-  // Verify that a navigation that claims to have started at the earliest
-  // possible TimeTicks is indeed reported as one that started before
-  // OnNavigate() is called.
-  base::Time before_navigation = base::Time::Now();
-  CommonNavigationParams early_common_params;
-  StartNavigationParams early_start_params;
-  early_common_params.url = GURL("data:text/html,<div>Page</div>");
-  early_common_params.navigation_type = FrameMsg_Navigate_Type::NORMAL;
-  early_common_params.transition = ui::PAGE_TRANSITION_TYPED;
-  early_common_params.navigation_start = base::TimeTicks::FromInternalValue(1);
-  early_start_params.is_post = true;
-
-  frame()->Navigate(early_common_params, early_start_params,
-                    RequestNavigationParams());
-  ProcessPendingMessages();
-
-  base::Time early_nav_reported_start =
-      base::Time::FromDoubleT(GetMainFrame()->performance().navigationStart());
-  EXPECT_LT(early_nav_reported_start, before_navigation);
-
   // Verify that a navigation that claims to have started in the future - 42
   // days from now is *not* reported as one that starts in the future; as we
   // sanitize the override allowing a maximum of ::Now().
   CommonNavigationParams late_common_params;
   StartNavigationParams late_start_params;
   late_common_params.url = GURL("data:text/html,<div>Another page</div>");
   late_common_params.navigation_type = FrameMsg_Navigate_Type::NORMAL;
   late_common_params.transition = ui::PAGE_TRANSITION_TYPED;
   late_common_params.navigation_start =
       base::TimeTicks::Now() + base::TimeDelta::FromDays(42);
@@ skipping 80 matching lines @@
       FROM_HERE,
       base::Bind(&DevToolsAgentTest::CloseWhilePaused, base::Unretained(this)));
   ExecuteJavaScriptForTests("debugger;");
 
   // CloseWhilePaused should resume execution and continue here.
   EXPECT_FALSE(IsPaused());
   Detach();
 }
 
 }  // namespace content