DevTools: Add context menu option for objects to save to temp variable.

Adding ability to access objects from printed ObjectPropertySections (console, scopes pane and etc.).

BUG=306120
R=pfeldman

Review URL: https://codereview.chromium.org/201613004

git-svn-id: svn://svn.chromium.org/blink/trunk@169649 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Simplify HeapSnapshotFilteredOrderedIterator implementation

Introduced filtered iterator and iterator over array of indexes. This allowed to decompose HeapSnapshotFilteredOrderedIterator.

BUG=None
R=alph@chromium.org

Review URL: https://codereview.chromium.org/205993003

git-svn-id: svn://svn.chromium.org/blink/trunk@169650 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: Create target per each worker behind experiment

BUG=

Review URL: https://codereview.chromium.org/201123007

git-svn-id: svn://svn.chromium.org/blink/trunk@169651 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Oilpan: Move CSSStyleDeclaration and subclasses to the heap using transistion types.

R=ager@chromium.org, erik.corry@gmail.com, haraken@chromium.org, oilpan-reviews@chromium.org, tkent@chromium.org, vegorov@chromium.org, zerny@chromium.org
BUG=341815

Review URL: https://codereview.chromium.org/195953003

git-svn-id: svn://svn.chromium.org/blink/trunk@169652 bbb929c8-8fbe-4397-9dbb-9b2b20218538