Removed CRWSessionEntry unittests.

ios/web/navigation/navigation_item_impl_unittest.mm

Index: ios/web/navigation/navigation_item_impl_unittest.mm
diff --git a/ios/web/navigation/navigation_item_impl_unittest.mm b/ios/web/navigation/navigation_item_impl_unittest.mm
index b5e08ebe7975e604fb8ac643d9580b499c4ad720..61dc15ed3576c7c8d9be7d89bb27bde41d23ea75 100644
--- a/ios/web/navigation/navigation_item_impl_unittest.mm
+++ b/ios/web/navigation/navigation_item_impl_unittest.mm
@@ -8,7 +8,7 @@
 
 #include "base/logging.h"
 #import "base/mac/scoped_nsobject.h"
-#include "base/strings/sys_string_conversions.h"
+#include "base/strings/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #import "testing/gtest_mac.h"
 #include "testing/platform_test.h"
@@ -45,6 +45,15 @@ void SetUp() override {
   EXPECT_TRUE(item_->GetURL().is_valid());
 }
 
+// Tests that the debug description is as expected.
+TEST_F(NavigationItemTest, Description) {
+  item_->SetTitle(base::UTF8ToUTF16("Title"));
+  EXPECT_NSEQ(item_->GetDescription(),

[Eugene But (OOO till 7-30), 2017/02/18 01:26:00]

EXPECT_NSEQ takes first argument as expected value and second as actual value

[kkhorimoto, 2017/03/02 01:55:55]

Done.

+              @"url:http://init.test/ originalurl:http://init.test/ "
+              @"title:Title transition:2 displayState:{ scrollOffset:(nan, "
+              @"nan), zoomScaleRange:(nan, nan), zoomScale:nan } desktopUA:0");
+}
+
 // Tests that copied NavigationItemImpls create copies of data members that are
 // objects.
 TEST_F(NavigationItemTest, Copy) {