crash log for renderer (pid <unknown>):
STDOUT: <empty>
STDERR: Xlib:  extension "RANDR" missing on display ":9".
STDERR: [1:1:0329/145533.193081:2379324862:ERROR:CSSComputedStyleDeclaration.cpp(207)] Blink does not yet implement getComputedStyle for 'all'.
STDERR: [1:1:0329/145533.194473:2379326206:ERROR:CSSComputedStyleDeclaration.cpp(207)] Blink does not yet implement getComputedStyle for 'background-repeat-x'.
STDERR: [1:1:0329/145533.194633:2379326355:ERROR:CSSComputedStyleDeclaration.cpp(207)] Blink does not yet implement getComputedStyle for 'background-repeat-y'.
STDERR: [1:1:0329/145533.196460:2379328173:FATAL:ComputedStyleCSSValueMapping.cpp(3696)] Check failed: false. 
STDERR: #0 0x000001acfd67 base::debug::StackTrace::StackTrace()
STDERR: #1 0x000001ae73fb logging::LogMessage::~LogMessage()
STDERR: #2 0x000002ec5d31 blink::ComputedStyleCSSValueMapping::get()
STDERR: #3 0x000002e997e9 blink::CSSComputedStyleDeclaration::getPropertyCSSValue()
STDERR: #4 0x000004c96ca7 blink::V8CSSStyleDeclaration::namedPropertyGetterCustom()
STDERR: #5 0x000002d25d66 blink::V8CSSStyleDeclaration::namedPropertyGetterCallback()
STDERR: #6 0x000000d7f74d v8::internal::PropertyCallbackArguments::Call()
STDERR: #7 0x000000e14975 v8::internal::(anonymous namespace)::GetPropertyWithInterceptorInternal()
STDERR: #8 0x000000e10665 v8::internal::Object::GetProperty()
STDERR: #9 0x000000fa6b75 v8::internal::__RT_impl_Runtime_KeyedGetProperty()
STDERR: #10 0x3f514c204264 <unknown>
STDERR: 
