PowerMenu : Workover Navigation bar toggles and PA PIE Trigger mechanism

    Add PIE to global action toggle

    PIE set to on when navigation bar is set off / hidden,
    either by navbar hidden or
    enabled Expanded Desktop mode with navbar gone
Power Button Tile
Profile Tile
WebViewCore: Fix the issue of wrong zoom density when opening web pages with overview mode disabled.

On JellyBean browser, when pages opened
 with "open pages in overview" disabled and "Default zoom" option set to
 "Far" or "Close", the zoom density is not correct.

 The issue is caused by the wrong scale factor calculated when setup
 viewport. it is fixed to 1.5 in JB. whereas it should be different for
 different "Default zoom" setting.

 This Patch will fix this issue. it set the scale factor to the
 defaultzoomscale calculated considering zoom density. it also add
 adjust process to guarantee the zoom density is right after navigating
 page with specified viewport "target-densitydpi".

 Author: Zang Lin <lin.zang@intel.com>
 Signed-off-by: Jack Ren <jack.ren@intel.com>
 Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>

Change-Id: I68dd193457c40ce9eb73635297ce7bb61b373bac
Port forward RootBox Recents Style (1/2)