dart2js: Store mapTypeToInterceptor in embedded global.

dart2js: Store mapTypeToInterceptor in embedded global.

R=ahe@google.com, sra@google.com

Committed: https://code.google.com/p/dart/source/detail?r=42692

[floitsch, 2015-01-07 15:49:27]

floitsch@google.com changed reviewers:
+ sra@google.com

[sra1, 2015-01-08 01:50:23]

lgtm

[ahe, 2015-01-08 08:43:08]

ahe@google.com changed reviewers:
+ ahe@google.com

[ahe, 2015-01-08 08:43:08]

lgtm

https://codereview.chromium.org/813873008/diff/1/sdk/lib/_internal/compiler/j...
File sdk/lib/_internal/compiler/js_lib/interceptors.dart (right):

https://codereview.chromium.org/813873008/diff/1/sdk/lib/_internal/compiler/j...
sdk/lib/_internal/compiler/js_lib/interceptors.dart:200: dynamic get
mapTypeToInterceptor {
Why add "dynamic"? It is the default. It serves no other purpose then slowing
down the parser.

[floitsch, 2015-01-08 13:30:29]

https://codereview.chromium.org/813873008/diff/1/sdk/lib/_internal/compiler/j...
File sdk/lib/_internal/compiler/js_lib/interceptors.dart (right):

https://codereview.chromium.org/813873008/diff/1/sdk/lib/_internal/compiler/j...
sdk/lib/_internal/compiler/js_lib/interceptors.dart:200: dynamic get
mapTypeToInterceptor {
On 2015/01/08 08:43:08, ahe wrote:
> Why add "dynamic"? It is the default. It serves no other purpose then slowing
> down the parser.

It also makes it clear to the reader that there is no concrete type that I can
write.
But I don't care enough.
Removed.

[floitsch, 2015-01-08 13:31:10]

Committed patchset #2 (id:20001) manually as 42692 (presubmit successful).