Revert r159961 (blink) "Defer the real work in updateCompositingLayers until it's really needed."

Assertions are being triggered on android GPU debug bots. Temporarily
reverting so that the bot can still cover all other CLs. I'm optimistic
the solution will be straightforward and this patch can re-land ASAP
after that.

BUG=309733
R=adamk@chromium.org
TBR=kbr@chromium.org, vollick@chromium.org

Review URL: https://codereview.chromium.org/32553004

git-svn-id: svn://svn.chromium.org/blink/trunk@160106 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Revert 160087 "Move privateTemplateUniqueKey / sharedTemplateUni..."

> Move privateTemplateUniqueKey / sharedTemplateUniqueKey in the 
> generated bindings to .rodata section instead of .data by
> getting rid of the pointer.
> 
> This makes sure that it can be shared between different library
> instances, and should help saving RAM on mobile / Android. This
> also reduces the number of relocations in libchromeview_prebuilt.so
> by 18 according to relinfo.
> 
> BUG=249746
> NOTRY=true
> 
> Review URL: https://codereview.chromium.org/29553002

TBR=ch.dumez@samsung.com

Review URL: https://codereview.chromium.org/33913002

git-svn-id: svn://svn.chromium.org/blink/trunk@160107 bbb929c8-8fbe-4397-9dbb-9b2b20218538