Fix clang error below:
Fix clang error below:



/b/build/slave/Mac_Clang__dbg_/build/src/chrome/browser/ui/cocoa/first_run_dialog.mm:152:13:error: '&&' within '||' [-Werror,-Wlogical-op-parentheses]
      model && !model->is_default_search_managed()) {
      ~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/b/build/slave/Mac_Clang__dbg_/build/src/chrome/browser/ui/cocoa/first_run_dialog.mm:152:13: note: place parentheses around the '&&' expression to silence this warning
      model && !model->is_default_search_managed()) {
            ^
      (                                           )
1 error generated.

TBR: sheriff maf when he wakes up. :-)
Review URL: http://codereview.chromium.org/6935023

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@84238 0039d316-1c4b-4281-b951-d872f2087c98

adobe/chromium,ropik/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,adobe/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,adobe/chromium,gavinp/chromium,yitian134/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,adobe/chromium,ropik/chromium,gavinp/chromium,adobe/chromium,ropik/chromium,adobe/chromium,Crystalnix/house-of-life-chromium,ropik/chromium,Crystalnix/house-of-life-chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,yitian134/chromium,ropik/chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,gavinp/chromium,gavinp/chromium,adobe/chromium,adobe/chromium,yitian134/chromium,Crystalnix/house-of-life-chromium,yitian134/chromium,gavinp/chromium,gavinp/chromium,gavinp/chromium,adobe/chromium,yitian134/chromium,ropik/chromium,yitian134/chromium,gavinp/chromium,gavinp/chromium,ropik/chromium,gavinp/chromium,adobe/chromium,yitian134/chromium,yitian134/chromium,ropik/chromium,adobe/chromium