Merge 212415 "reland of http://crrev.com/212230 Create top-level..."

Merge 212415 "reland of http://crrev.com/212230 Create top-level..."

> reland of http://crrev.com/212230 Create top-level separate targets for...
> 
> Original CL here: https://codereview.chromium.org/17619005/
> 
> Changed since previous landing is diff between ps1 and ps2.
> Diff since previous landing is a bit noisy, but in those files
> against original is relatively small. The conditions for the
> defines were incorrect and are simpler (and correct) now.
> 
> Previously:
> 
> Create top-level separate targets for browser and child dlls
> 
> The general idea is that there's top level targets chrome and chrome_child,
> and corresponding content_app and content_app_child that depend on only
> the subtargets that should be included in the appropriate dll.
> 
> Currently (probably) Windows-only and requires setting chrome_multiple_dll=1
> for gyp.
> 
> Links, but Blink is still included in browser.
> 
> Single-process mode is currently disabled when chrome_multiple_dll is set.
> 
> Current graph is at:
> http://commondatastorage.googleapis.com/chromelinkgraph/deps.html generated by
> "python tools\win\split_link\graph_dependencies.py deps.html"
> 
> Remove the previous hacky-er attempt at this that was named "split dll".
> 
> TBR=jam@chromium.org
> BUG=237249, 256965
> 
> Review URL: https://codereview.chromium.org/19572013

TBR=scottmg@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=212609

[kareng, 2013-07-19 18:31:59]

Committed patchset #1 manually as r212609.