aw: Clean up browser_view_renderer.cc/h

aw: Clean up browser_view_renderer.cc/h

* Remove unneeded includes, using, etc
* Use base::debug::ConvertableToTraceFormat
* Fix up some comments
* Make const a global var

BUG=

Committed: https://crrev.com/a3434da050b4e46d07a23a99dabed20891e5ec0f
Cr-Commit-Position: refs/heads/master@{#299416}

[boliu, 2014-10-14 00:39:15]

boliu@chromium.org changed reviewers:
+ hush@chromium.org

[boliu, 2014-10-14 00:39:15]

PTAL

[hush (inactive), 2014-10-14 01:01:10]

lgtm

https://codereview.chromium.org/649683004/diff/1/android_webview/browser/brow...
File android_webview/browser/browser_view_renderer.cc (right):

https://codereview.chromium.org/649683004/diff/1/android_webview/browser/brow...
android_webview/browser/browser_view_renderer.cc:45: const size_t g_tile_area =
256 * 256;
since this is a const, please rename it to kTileArea, like the other ones above.

[boliu, 2014-10-14 01:04:20]

https://codereview.chromium.org/649683004/diff/1/android_webview/browser/brow...
File android_webview/browser/browser_view_renderer.cc (right):

https://codereview.chromium.org/649683004/diff/1/android_webview/browser/brow...
android_webview/browser/browser_view_renderer.cc:45: const size_t g_tile_area =
256 * 256;
On 2014/10/14 01:01:10, hush wrote:
> since this is a const, please rename it to kTileArea, like the other ones
above.

Done.

[boliu, 2014-10-14 01:05:03]

The CQ bit was checked by boliu@chromium.org

[commit-bot: I haz the power, 2014-10-14 01:06:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/649683004/20001

[commit-bot: I haz the power, 2014-10-14 01:31:30]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2014-10-14 01:33:05]

Patchset 2 (id:??) landed as
https://crrev.com/a3434da050b4e46d07a23a99dabed20891e5ec0f
Cr-Commit-Position: refs/heads/master@{#299416}