DevTools: fix css pretty-print.

third_party/WebKit/LayoutTests/inspector/sources/pretty-print-css-2-expected.txt

+Verifies CSS pretty-printing functionality.
+
+
+Running: testFontFace
+====== 8< ------
+@font-face {
+    font-family: MyHelvetica;
+    src: local('Helvetica Neue Bold'),local('HelveticaNeue-Bold'),url(MgOpenModernaBold.ttf);
+    font-weight: bold;
+}
+
+div {
+    color: red
+}
+
+------ >8 ======
+Correct mapping for <font-face>
+Correct mapping for <red>
+
+Running: testCharsetRule
+====== 8< ------
+@charset 'iso-8859-15';p {
+    margin: 0
+}
+
+------ >8 ======
+Correct mapping for <charset>
+Correct mapping for <iso>
+Correct mapping for <margin>
+
+Running: testImportRule
+====== 8< ------
+@import url('bluish.css') projection,tv;span {
+    border: 1px solid black
+}
+
+------ >8 ======
+Correct mapping for <import>
+Correct mapping for <bluish>
+Correct mapping for <projection>
+Correct mapping for <span>
+Correct mapping for <border>
+Correct mapping for <black>
+
+Running: testImportWithMediaQueryRule
+====== 8< ------
+@import url('landscape.css') screen and (orientation: landscape);
+article {
+    background: yellow
+}
+
+------ >8 ======
+Correct mapping for <import>
+Correct mapping for <url>
+Correct mapping for <orientation>
+Correct mapping for <article>
+Correct mapping for <background>
+Correct mapping for <yellow>
+
+Running: testKeyframesRule
+====== 8< ------
+p {
+    animation-duration: 3s;
+}
+
+@keyframes slidein {
+    from {
+        margin-left: 100%;
+        width: 300%;
+    }
+
+    to {
+        margin-left: 0%;
+        width: 100%;
+    }
+}
+
+p {
+    animation-name: slidein
+}
+
+------ >8 ======
+Correct mapping for <animation-duration>
+Correct mapping for <3s>
+Correct mapping for <keyframes>
+Correct mapping for <from>
+Correct mapping for <300%>
+Correct mapping for <animation-name>
+