| Index: third_party/WebKit/Source/core/html/parser/HTMLTreeBuilderSimulator.cpp
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| diff --git a/third_party/WebKit/Source/core/html/parser/HTMLTreeBuilderSimulator.cpp b/third_party/WebKit/Source/core/html/parser/HTMLTreeBuilderSimulator.cpp
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| index fcc0638d4bf9cb259f5adc868f1b7772511b291b..faa909c985708b08d05494644b7dd200613c0cff 100644
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| --- a/third_party/WebKit/Source/core/html/parser/HTMLTreeBuilderSimulator.cpp
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| +++ b/third_party/WebKit/Source/core/html/parser/HTMLTreeBuilderSimulator.cpp
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| @@ -108,7 +108,7 @@ HTMLTreeBuilderSimulator::HTMLTreeBuilderSimulator(
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|  
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|  HTMLTreeBuilderSimulator::State HTMLTreeBuilderSimulator::stateFor(
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|      HTMLTreeBuilder* treeBuilder) {
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| -  ASSERT(isMainThread());
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| +  DCHECK(isMainThread());
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|    State namespaceStack;
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|    for (HTMLElementStack::ElementRecord* record =
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|             treeBuilder->openElements()->topRecord();
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| 
 |