Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(140)

Side by Side Diff: PerformanceTests/ShadowDOM/StyleSheetInsert.html

Issue 28553005: Avoid parsing css text if there are identical inline style blocks. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Added StyleSheetContentsCache class Created 7 years, 2 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch | Annotate | Revision Log
« no previous file with comments | « no previous file | Source/core/core.gypi » ('j') | Source/core/css/StyleSheetContentsCache.h » ('J')
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
(Empty)
1 <!doctype html>
2 <html>
3 <head>
4 <script src="../resources/runner.js"></script>
5 </head>
6 <body><iframe></iframe>
7 </body>
8 <script>
9 function setup() {
10 var frame = document.getElementsByTagName("iframe")[0];
11 var testDoc = frame.contentDocument;
12 var docText = "<head>";
13 docText += "<template id='templateA'><style>@host{:scope{display:block}}ul.c anaryisdev li:nth-of-type(4)::after{content:'canary/dev'}ul.canaryisdev li:nth-o f-type(5)::after{content:'beta'}ul.canaryisdev li:nth-of-type(6)::after{content: 'stable'}ul.canaryisdev li:nth-of-type(7)::after{content:''}ul.betaisdev li:nth- of-type(4)::after{content:'canary'}ul.betaisdev li:nth-of-type(5)::after{content :'dev/beta'}ul.betaisdev li:nth-of-type(6)::after{content:'stable'}ul.betaisdev li:nth-of-type(7)::after{content:''}ul li{cursor:pointer;padding:3px 0}ul li::be fore{-webkit-transition:all 500ms ease;-moz-transition:all 500ms ease;-o-transit ion:all 500ms ease;transition:all 500ms ease;content:'';margin-right:5px;border- left:3px solid transparent}ul li::after{font-size:75%;margin-left:10px}ul li:fir st-of-type,ul li:nth-of-type(2),ul li:nth-of-type(3){font-size:75%;font-style:it alic}ul li:nth-of-type(3){border-bottom:1px solid #d4d4d4;padding-bottom:10px;ma rgin-bottom:5px}ul li:nth-of-type(4)::after{content:'canary'}ul li:nth-of-type(5 )::after{content:'dev'}ul li:nth-of-type(6)::after{content:'beta'}ul li:nth-of-t ype(7)::after{content:'stable'}ul li[selected]{font-weight:600;color:#366597}ul li[selected]::before{border-color:#366597}</style><div>TemplateA</div></template >";
14 docText += "<template id='templateB'><style>@host{:scope{display:block;paddi ng:1px}}.milestone-marker{text-align:right;text-transform:uppercase;margin-top:1 0px;font-weight:600;font-size:14px;color:#366597}@media only screen and (max-wid th: 700px){[data-first-of-milestone]:after{font-size:12px;font-weight:normal;top :-22px;opacity:1;text-transform:uppercase}}</style><div>TemplateB</div></templat e>";
15 docText += "</head><body>";
16 docText += "<div id='sandbox'></div></body>";
17 testDoc.body.innerHTML = docText;
18 return testDoc;
19 }
20
21 PerfTestRunner.measureTime({run:function() {
22 var testDoc = setup();
23 var start = PerfTestRunner.now();
24 var sandbox = testDoc.getElementById('sandbox');
25 var templateA = testDoc.getElementById('templateA');
26 var templateB = testDoc.getElementById('templateB');
27 for (var i = 0; i < 100; i++) {
28 var elementA = testDoc.createElement("div");
29 var shadowRootForA = elementA.createShadowRoot();
30 shadowRootForA.appendChild(templateA.content.cloneNode());
31 sandbox.appendChild(elementA);
32
33 var elementB = testDoc.createElement("div");
34 var shadowRootForB = elementB.createShadowRoot();
35 shadowRootForB.appendChild(templateB.content.cloneNode());
36 sandbox.appendChild(elementB);
37 }
38 return PerfTestRunner.now() - start;
39 }});
40 </script>
41 </html>
OLDNEW
« no previous file with comments | « no previous file | Source/core/core.gypi » ('j') | Source/core/css/StyleSheetContentsCache.h » ('J')

Powered by Google App Engine
This is Rietveld 408576698