Change some functions in ImeEngineObserver as not ChromeOS-only.

Change some functions in ImeEngineObserver as not ChromeOS-only.

This cl makes functions: OnActivate(), IsInterestedInKeyEvent(), OnSurroundingTextChanged() in ui::IMEEngineObserver not ChromeOS only, as these related input.ime.* API should be reused on Linux and Windows.

Function GetCurrentScreenType() is declared virtual in ImeObserver, as it will be used for OnActivate().

BUG=517773
TEST=No compiling errors.

Committed: https://crrev.com/a8dc1724d107578d46f10a232aa5b3fe51b5c6b6
Cr-Commit-Position: refs/heads/master@{#368564}

[Azure Wei, 2016-01-11 07:48:34]

Description was changed from

==========
Change some functions in ImeEngineObserver as not ChromeOS-only.

BUG=517773
TEST=No compiling errors.
==========

to

==========
Change some functions in ImeEngineObserver as not ChromeOS-only.

This cl makes functions: OnActivate(), IsInterestedInKeyEvent(),
OnSurroundingTextChanged() in ui::IMEEngineObserver not ChromeOS only, as these
related input.ime.* API should be reused on Linux and Windows.

Function GetCurrentScreenType() is declared virtual in ImeObserver, as it will
be used for OnActivate().

BUG=517773
TEST=No compiling errors.
==========

[Azure Wei, 2016-01-11 07:48:49]

azurewei@chromium.org changed reviewers:
+ shuchen@chromium.org

[Azure Wei, 2016-01-11 07:49:20]

Hi Shu, can you please review this cl? Thank you!

[Shu Chen, 2016-01-11 08:13:44]

lgtm

[Azure Wei, 2016-01-11 08:16:25]

The CQ bit was checked by azurewei@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-01-11 08:16:50]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1573903002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1573903002/1

[commit-bot: I haz the power, 2016-01-11 10:13:51]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-01-11 10:13:52]

Dry run: This issue passed the CQ dry run.

[Azure Wei, 2016-01-11 11:05:53]

The CQ bit was checked by azurewei@chromium.org

[commit-bot: I haz the power, 2016-01-11 11:06:14]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1573903002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1573903002/1

[commit-bot: I haz the power, 2016-01-11 11:10:25]

Description was changed from

==========
Change some functions in ImeEngineObserver as not ChromeOS-only.

This cl makes functions: OnActivate(), IsInterestedInKeyEvent(),
OnSurroundingTextChanged() in ui::IMEEngineObserver not ChromeOS only, as these
related input.ime.* API should be reused on Linux and Windows.

Function GetCurrentScreenType() is declared virtual in ImeObserver, as it will
be used for OnActivate().

BUG=517773
TEST=No compiling errors.
==========

to

==========
Change some functions in ImeEngineObserver as not ChromeOS-only.

This cl makes functions: OnActivate(), IsInterestedInKeyEvent(),
OnSurroundingTextChanged() in ui::IMEEngineObserver not ChromeOS only, as these
related input.ime.* API should be reused on Linux and Windows.

Function GetCurrentScreenType() is declared virtual in ImeObserver, as it will
be used for OnActivate().

BUG=517773
TEST=No compiling errors.
==========

[commit-bot: I haz the power, 2016-01-11 11:10:26]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-11 11:11:40]

Description was changed from

==========
Change some functions in ImeEngineObserver as not ChromeOS-only.

This cl makes functions: OnActivate(), IsInterestedInKeyEvent(),
OnSurroundingTextChanged() in ui::IMEEngineObserver not ChromeOS only, as these
related input.ime.* API should be reused on Linux and Windows.

Function GetCurrentScreenType() is declared virtual in ImeObserver, as it will
be used for OnActivate().

BUG=517773
TEST=No compiling errors.
==========

to

==========
Change some functions in ImeEngineObserver as not ChromeOS-only.

This cl makes functions: OnActivate(), IsInterestedInKeyEvent(),
OnSurroundingTextChanged() in ui::IMEEngineObserver not ChromeOS only, as these
related input.ime.* API should be reused on Linux and Windows.

Function GetCurrentScreenType() is declared virtual in ImeObserver, as it will
be used for OnActivate().

BUG=517773
TEST=No compiling errors.

Committed: https://crrev.com/a8dc1724d107578d46f10a232aa5b3fe51b5c6b6
Cr-Commit-Position: refs/heads/master@{#368564}
==========

[commit-bot: I haz the power, 2016-01-11 11:11:41]

Patchset 1 (id:??) landed as
https://crrev.com/a8dc1724d107578d46f10a232aa5b3fe51b5c6b6
Cr-Commit-Position: refs/heads/master@{#368564}