Roll Skia DEPS to r7006

Roll Skia DEPS to r7006

control: https://codereview.chromium.org/11743030/
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=175140

[robertphillips, 2013-01-04 12:54:00]

This looks 'good'. The discrepancies between the roll and control are:

linux
   roll:    
            browser_tests failed 2
                SimpleTest
                MiddleClickTargetBlankRedirect
   control: 
            green

win
   roll:    
            browser_tests failed 1
                Messaging
            content_browsertests failed 1
                BasicPlayback_VideoOnly_0 ************************************
   control: 
            interactive_ui_tests failed 2
                TabCurrentWindow
                GetLastFocusedWindow
            browser_tests failed 3
                SimpleLoad
                WebSocket_GetProtocol
                Messaging

mac_layout_rel
   roll:    
            webkit_tests 957 fixable (0 skipped) failed 1
                delete-to-select-table.html - this failed in the control
mac_layout
   control: 
            compile failed - GOMA problem

[reed1, 2013-01-04 13:05:47]

lgtm