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1 /* | 1 /* |
2 * Copyright (C) 2013 Google, Inc. All Rights Reserved. | 2 * Copyright (C) 2013 Google, Inc. All Rights Reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. ``AS IS'' AND ANY |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GOOGLE INC. OR |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #include "core/html/parser/BackgroundHTMLParser.h" | 26 #include "core/html/parser/BackgroundHTMLParser.h" |
27 | 27 |
| 28 #include <memory> |
28 #include "core/HTMLNames.h" | 29 #include "core/HTMLNames.h" |
29 #include "core/html/parser/HTMLDocumentParser.h" | 30 #include "core/html/parser/HTMLDocumentParser.h" |
30 #include "core/html/parser/TextResourceDecoder.h" | 31 #include "core/html/parser/TextResourceDecoder.h" |
31 #include "core/html/parser/XSSAuditor.h" | 32 #include "core/html/parser/XSSAuditor.h" |
32 #include "platform/CrossThreadFunctional.h" | 33 #include "platform/CrossThreadFunctional.h" |
33 #include "platform/Histogram.h" | 34 #include "platform/Histogram.h" |
34 #include "platform/WebTaskRunner.h" | 35 #include "platform/WebTaskRunner.h" |
35 #include "platform/instrumentation/tracing/TraceEvent.h" | 36 #include "platform/instrumentation/tracing/TraceEvent.h" |
36 #include "public/platform/Platform.h" | 37 #include "public/platform/Platform.h" |
37 #include "wtf/CurrentTime.h" | 38 #include "wtf/CurrentTime.h" |
38 #include "wtf/Functional.h" | 39 #include "wtf/Functional.h" |
39 #include "wtf/PtrUtil.h" | 40 #include "wtf/PtrUtil.h" |
40 #include "wtf/text/TextPosition.h" | 41 #include "wtf/text/TextPosition.h" |
41 #include <memory> | |
42 | 42 |
43 namespace blink { | 43 namespace blink { |
44 | 44 |
45 // On a network with high latency and high bandwidth, using a device with a fast | 45 // On a network with high latency and high bandwidth, using a device with a fast |
46 // CPU, we could end up speculatively tokenizing the whole document, well ahead | 46 // CPU, we could end up speculatively tokenizing the whole document, well ahead |
47 // of when the main-thread actually needs it. This is a waste of memory (and | 47 // of when the main-thread actually needs it. This is a waste of memory (and |
48 // potentially time if the speculation fails). So we limit our outstanding | 48 // potentially time if the speculation fails). So we limit our outstanding |
49 // tokens arbitrarily to 10,000. Our maximal memory spent speculating will be | 49 // tokens arbitrarily to 10,000. Our maximal memory spent speculating will be |
50 // approximately: | 50 // approximately: |
51 // (defaultOutstandingTokenLimit + defaultPendingTokenLimit) * | 51 // (defaultOutstandingTokenLimit + defaultPendingTokenLimit) * |
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379 if (isMainThread()) { | 379 if (isMainThread()) { |
380 (*WTF::bind(function, std::forward<Ps>(parameters)...))(); | 380 (*WTF::bind(function, std::forward<Ps>(parameters)...))(); |
381 } else { | 381 } else { |
382 m_loadingTaskRunner->postTask( | 382 m_loadingTaskRunner->postTask( |
383 BLINK_FROM_HERE, | 383 BLINK_FROM_HERE, |
384 crossThreadBind(function, std::forward<Ps>(parameters)...)); | 384 crossThreadBind(function, std::forward<Ps>(parameters)...)); |
385 } | 385 } |
386 } | 386 } |
387 | 387 |
388 } // namespace blink | 388 } // namespace blink |
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