Move code around in preparation for better inlining.

Move code around in preparation for better inlining.

To inlining calls in a test context, the code to plug the inlined
function graph into the caller graph should be dispatched on the type
of the inlining context.

This change moves code around without otherwise changing it.

Committed: https://code.google.com/p/dart/source/detail?r=17569

[Florian Schneider, 2013-01-24 14:10:14]

lgtm

[srdjan, 2013-01-24 18:09:51]

DBC

https://codereview.chromium.org/11953076/diff/1/runtime/vm/flow_graph_builder.cc
File runtime/vm/flow_graph_builder.cc (right):

https://codereview.chromium.org/11953076/diff/1/runtime/vm/flow_graph_builder...
runtime/vm/flow_graph_builder.cc:63: InliningContext*
InliningContext::Create(Definition* call) {
Why the argument call?

[Kevin Millikin (Google), 2013-01-28 13:14:07]

On 2013/01/24 18:09:51, srdjan wrote:

> Why the argument call?

It's not necessary yet.  In a future change, we will need to pattern match on
the call instruction to see what kind of inlining context to create from this
factory.