Revert of Avoid nuking everything when injecting stylesheet.

third_party/WebKit/Source/core/dom/StyleEngineTest.cpp

Index: third_party/WebKit/Source/core/dom/StyleEngineTest.cpp
diff --git a/third_party/WebKit/Source/core/dom/StyleEngineTest.cpp b/third_party/WebKit/Source/core/dom/StyleEngineTest.cpp
index 1708917c5ee5b559f11bb81804c2a8de6e405f72..59348fd59c0160ffdbb484604c97221173f0f0e0 100644
--- a/third_party/WebKit/Source/core/dom/StyleEngineTest.cpp
+++ b/third_party/WebKit/Source/core/dom/StyleEngineTest.cpp
@@ -6,9 +6,7 @@
 
 #include "core/css/StyleSheetContents.h"
 #include "core/dom/Document.h"
-#include "core/dom/NodeComputedStyle.h"
 #include "core/frame/FrameView.h"
-#include "core/html/HTMLElement.h"
 #include "core/testing/DummyPageHolder.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -42,28 +40,4 @@
     EXPECT_TRUE(isDocumentStyleSheetCollectionClean());
 }
 
-TEST_F(StyleEngineTest, AnalyzedInject)
-{
-    document().body()->setInnerHTML("<style>div { color: red }</style><div id='t1'>Green</div><div></div>", ASSERT_NO_EXCEPTION);
-    document().view()->updateAllLifecyclePhases();
-
-    Element* t1 = document().getElementById("t1");
-    ASSERT_TRUE(t1);
-    ASSERT_TRUE(t1->computedStyle());
-    EXPECT_EQ(makeRGB(255, 0, 0), t1->computedStyle()->visitedDependentColor(CSSPropertyColor));
-
-    unsigned beforeCount = styleEngine().styleForElementCount();
-
-    RefPtrWillBeRawPtr<StyleSheetContents> parsedSheet = StyleSheetContents::create(CSSParserContext(document(), nullptr));
-    parsedSheet->parseString("#t1 { color: green }");
-    styleEngine().injectAuthorSheet(parsedSheet);
-    document().view()->updateAllLifecyclePhases();
-
-    unsigned afterCount = styleEngine().styleForElementCount();
-    EXPECT_EQ(1u, afterCount - beforeCount);
-
-    ASSERT_TRUE(t1->computedStyle());
-    EXPECT_EQ(makeRGB(0, 128, 0), t1->computedStyle()->visitedDependentColor(CSSPropertyColor));
-}
-
 } // namespace blink