crash log for renderer (pid <unknown>):
STDOUT: <empty>
STDERR: Xlib:  extension "RANDR" missing on display ":9".
STDERR: [1:1:0330/145617.295491:7138372722:ERROR:CSSComputedStyleDeclaration.cpp(207)] Blink does not yet implement getComputedStyle for 'all'.
STDERR: [1:1:0330/145617.329062:7138407508:ERROR:CSSComputedStyleDeclaration.cpp(207)] Blink does not yet implement getComputedStyle for 'background-repeat-x'.
STDERR: [1:1:0330/145617.332886:7138407808:ERROR:CSSComputedStyleDeclaration.cpp(207)] Blink does not yet implement getComputedStyle for 'background-repeat-y'.
STDERR: [1:1:0330/145617.334750:7138409674:FATAL:ComputedStyleCSSValueMapping.cpp(3696)] Check failed: false. 
STDERR: #0 0x000001a5e887 base::debug::StackTrace::StackTrace()
STDERR: #1 0x000001a75acb logging::LogMessage::~LogMessage()
STDERR: #2 0x000002e19951 blink::ComputedStyleCSSValueMapping::get()
STDERR: #3 0x000002ded419 blink::CSSComputedStyleDeclaration::getPropertyCSSValue()
STDERR: #4 0x000004bc6087 blink::V8CSSStyleDeclaration::namedPropertyGetterCustom()
STDERR: #5 0x000002c826f6 blink::V8CSSStyleDeclaration::namedPropertyGetterCallback()
STDERR: #6 0x000000d3c085 v8::internal::PropertyCallbackArguments::Call()
STDERR: #7 0x000000dd0cd5 v8::internal::(anonymous namespace)::GetPropertyWithInterceptorInternal()
STDERR: #8 0x000000dcc9c5 v8::internal::Object::GetProperty()
STDERR: #9 0x000000f61885 v8::internal::__RT_impl_Runtime_KeyedGetProperty()
STDERR: #10 0x36bc28b84264 <unknown>
STDERR: 
