kjellander 9f8a566316 Roll chromium_revision 981ff3850e..99c1f4221e (456928:457015)
MB was updated to accomodate changes in https://codereview.chromium.org/2695963003

Change log: 981ff3850e..99c1f4221e
Full diff: 981ff3850e..99c1f4221e

Changed dependencies:
* src/base: be5cf86ede..6d7c22c4f5
* src/build: 2744073131..e8b5e58534
* src/ios: 65ada1572f..8d1f4a15e6
* src/testing: 3d76f6cb4c..d6eb1e0a11
* src/third_party: 779bb26879..24999c043d
* src/tools: f2d0d63fdc..2ffeda5cdc
DEPS diff: 981ff3850e..99c1f4221e/DEPS

No update to Clang.

TBR=
BUG=None
NOTRY=True

Review-Url: https://codereview.webrtc.org/2755433005
Cr-Commit-Position: refs/heads/master@{#17238}
2017-03-15 09:31:11 +00:00
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mb
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MB - The Meta-Build wrapper

MB is a simple wrapper intended to provide a uniform interface to either GYP or GN, such that users and bots can call one script and not need to worry about whether a given bot is meant to use GN or GYP.

It supports two main functions:

  1. "gen" - the main gyp_chromium / gn gen invocation that generates the Ninja files needed for the build.

  2. "analyze" - the step that takes a list of modified files and a list of desired targets and reports which targets will need to be rebuilt.

We also use MB as a forcing function to collect all of the different build configurations that we actually support for Chromium builds into one place, in //tools/mb/mb_config.pyl.

For more information, see: