Revert 169134 "DevTools: [ConsoleView] Use in  its internal stru..."

Break a bunch of browser tests:
TestConsoleOnNavigateBack
TestNetworkRawHeadersText
TestNetworkSize
TestNetworkTiming
TestScriptsTabIsPopulatedOnInspectedPageRefresh
InspectSharedWorker

> DevTools: [ConsoleView] Use in  its internal structures (visibleMessages, searchResults) consoleViewMessages instead  of indices of consoleMessages in model
> 
> BUG=
> 
> Review URL: https://codereview.chromium.org/196283011

TBR=sergeyv@chromium.org

Review URL: https://codereview.chromium.org/199443002

git-svn-id: svn://svn.chromium.org/blink/trunk@169140 bbb929c8-8fbe-4397-9dbb-9b2b20218538