Revert removal of grammar checking and marking code

third_party/WebKit/Source/web/tests/WebFrameTest.cpp

Index: third_party/WebKit/Source/web/tests/WebFrameTest.cpp
diff --git a/third_party/WebKit/Source/web/tests/WebFrameTest.cpp b/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
index cd14d6e4365deb08fdaa264cfed39157016bd808..2b9c3e87a72dae0d9d53d3d2b0ea1754801dfb72 100644
--- a/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
+++ b/third_party/WebKit/Source/web/tests/WebFrameTest.cpp
@@ -5289,6 +5289,11 @@ public:
         kick(1, 8, WebTextDecorationTypeSpelling);
     }
 
+    void kickGrammar()
+    {
+        kick(1, 8, WebTextDecorationTypeGrammar);
+    }
+
     void kickInvisibleSpellcheck()
     {
         kick(1, 8, WebTextDecorationTypeInvisibleSpellcheck);
@@ -5385,8 +5390,9 @@ TEST_P(ParameterizedWebFrameTest, SpellcheckResultErasesMarkers)
     EXPECT_FALSE(exceptionState.hadException());
     auto range = EphemeralRange::rangeOfContents(*element);
     document->markers().addMarker(range.startPosition(), range.endPosition(), DocumentMarker::Spelling);
+    document->markers().addMarker(range.startPosition(), range.endPosition(), DocumentMarker::Grammar);
     document->markers().addMarker(range.startPosition(), range.endPosition(), DocumentMarker::InvisibleSpellcheck);
-    EXPECT_EQ(2U, document->markers().markers().size());
+    EXPECT_EQ(3U, document->markers().markers().size());
 
     spellcheck.kickNoResults();
     EXPECT_EQ(0U, document->markers().markers().size());
@@ -5421,6 +5427,14 @@ TEST_P(ParameterizedWebFrameTest, SpellcheckResultsSavedInDocument)
     document->execCommand("InsertText", false, "wellcome ", exceptionState);
     EXPECT_FALSE(exceptionState.hadException());
 
+    spellcheck.kickGrammar();
+    ASSERT_EQ(1U, document->markers().markers().size());
+    ASSERT_NE(static_cast<DocumentMarker*>(0), document->markers().markers()[0]);
+    EXPECT_EQ(DocumentMarker::Grammar, document->markers().markers()[0]->type());
+
+    document->execCommand("InsertText", false, "wellcome ", exceptionState);
+    EXPECT_FALSE(exceptionState.hadException());
+
     spellcheck.kickInvisibleSpellcheck();
     ASSERT_EQ(1U, document->markers().markers().size());
     ASSERT_NE(static_cast<DocumentMarker*>(0), document->markers().markers()[0]);