Revert 157567 "Don't make RenderStyle::compare inline"

It broke all(?) of layout tests on Debug build.

http://chromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Linux%20%28dbg%29/builds/12162/steps/webkit_tests/logs/stdio

20:29:04.318 27306 worker/0 http/tests/appcache/404-manifest.html crashed, (stderr lines):
20:29:04.318 27306   Xlib:  extension "RANDR" missing on display ":9".
20:29:04.318 27306   ASSERTION FAILED: m_deletionHasBegun
20:29:04.318 27306   ../../third_party/WebKit/Source/wtf/RefCounted.h(103) : WTF::RefCountedBase::~RefCountedBase()

20:29:04.319 27306   Received signal 11 SEGV_MAPERR 0000bbadbeef
20:29:04.319 27306    [0x7f14d9a58474] base::debug::StackTrace::StackTrace()
20:29:04.319 27306    [0x7f14d9a57d7b] base::debug::(anonymous namespace)::StackDumpSignalHandler()
20:29:04.319 27306    [0x7f14cebf9cb0] <unknown>
20:29:04.319 27306    [0x7f14d45fe97c] WTF::RefCountedBase::~RefCountedBase()
20:29:04.319 27306    [0x7f14d46aa31a] WTF::RefCounted<>::~RefCounted()
20:29:04.319 27306    [0x7f14d46a95c0] WebCore::RenderStyle::~RenderStyle()
20:29:04.319 27306    [0x7f14d545e8db] WebCore::RenderStyle::compare()
20:29:04.320 27306    [0x7f14d4ea7165] WebCore::Document::recalcStyle()
20:29:04.320 27306    [0x7f14d4ea75e4] WebCore::Document::updateStyleIfNeeded()
20:29:04.320 27306    [0x7f14d4eb20a1] WebCore::Document::finishedParsing()
20:29:04.320 27306    [0x7f14d6456a29] WebCore::HTMLConstructionSite::finishedParsing()
20:29:04.320 27306    [0x7f14d649354a] WebCore::HTMLTreeBuilder::finished()
20:29:04.320 27306    [0x7f14d646058b] WebCore::HTMLDocumentParser::end()
20:29:04.320 27306    [0x7f14d64606a5] WebCore::HTMLDocumentParser::attemptToRunDeferredScriptsAndEnd()
20:29:04.320 27306    [0x7f14d645d065] WebCore::HTMLDocumentParser::prepareToStopParsing()
20:29:04.320 27306    [0x7f14d64606ea] WebCore::HTMLDocumentParser::attemptToEnd()
20:29:04.320 27306    [0x7f14d6460926] WebCore::HTMLDocumentParser::finish()
20:29:04.320 27306    [0x7f14d5a67005] WebCore::DocumentWriter::end()
20:29:04.320 27306    [0x7f14d5a60c37] WebCore::DocumentLoader::endWriting()
20:29:04.320 27306    [0x7f14d5a5d741] WebCore::DocumentLoader::finishedLoading()
20:29:04.320 27306    [0x7f14d5a60363] WebCore::DocumentLoader::maybeLoadEmpty()
20:29:04.320 27306    [0x7f14d5a604b1] WebCore::DocumentLoader::startLoadingMainResource()
20:29:04.320 27306    [0x7f14d5a6bc3a] WebCore::FrameLoader::init()
20:29:04.320 27306    [0x7f14d46a1b2a] WebCore::Frame::init()
20:29:04.320 27306    [0x7f14d469fe8c] WebKit::WebFrameImpl::initializeAsMainFrame()
20:29:04.320 27306    [0x7f14d46f37e4] WebKit::WebViewImpl::initializeMainFrame()


> Don't make RenderStyle::compare inline
> 
> This doesn't look like it needs to be inline, lets optimize it when we
> cross that bridge.
> 
> R=eseidel@chromium.org,ojan@chromium.org
> 
> Review URL: https://chromiumcodereview.appspot.com/23455043

TBR=esprehn@chromium.org

Review URL: https://codereview.chromium.org/24102002

git-svn-id: svn://svn.chromium.org/blink/trunk@157579 bbb929c8-8fbe-4397-9dbb-9b2b20218538