bindings: Moves calls to refObject() into associateObjectWithWrapperNonTemplate.

associateObjectWithWrapperNonTemplate makes the given wrapper reference to
the given object, so it's natural that associateObjectWithWrapperNonTemplate
is responsible to count up the reference counter of the given object.

BUG=235436

Review URL: https://codereview.chromium.org/590153002

git-svn-id: svn://svn.chromium.org/blink/trunk@182416 bbb929c8-8fbe-4397-9dbb-9b2b20218538
DevTools: highlight network project files with respect to canonical mime type

Currently, we rely on uiSourceCode extension to figure out an appropriate
highlighter. This turns out to be wrong approach for the files originating
from network project - they should be highlighted with respect to the
mimeType in their HTTP headers.

BUG=411863
R=vsevik, pfeldman@chromium.org

Review URL: https://codereview.chromium.org/574043002

git-svn-id: svn://svn.chromium.org/blink/trunk@182417 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Clarify DeferredImageDecoder isSizeAvailable() comment

Comment only change: grammar fix.

NOTREECHECKS=true
NOTRY=true
BUG=404544

Review URL: https://codereview.chromium.org/591093002

git-svn-id: svn://svn.chromium.org/blink/trunk@182418 bbb929c8-8fbe-4397-9dbb-9b2b20218538