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This is required in order to allow ImportantFileWriter::WriteFileAtomically() to report its bool result to the calling thread via PostTaskAndReplyWithResult() in https://codereview.chromium.org/257003007/
BUG=365769
R=stuartmorgan@chromium.org, thakis@chromium.org
Review URL: https://codereview.chromium.org/274773003
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@269238 0039d316-1c4b-4281-b951-d872f2087c98
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ios.
The implementation of this method is basically noop in platforms other than ios and it is put in the header file; this change adds inline annotation to avoid duplicate symbol link error on other platforms.
BUG=NONE
Review URL: https://chromiumcodereview.appspot.com/10837182
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@150831 0039d316-1c4b-4281-b951-d872f2087c98
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On iOS, once an application goes into the background, it receives no CPU cycles until it is moved to foreground. At any time the OS may kill the application, but the application itself is never told or given any chance to clean up. Thus the time before going into the background is critical to ensure certain tasks have chance to complete.
Luckily, an application may ask for a little more time when going into the background by calling certain methods that let the OS know it wants to perform some short-lived work in the background. This cl provides APIs to protect critical tasks in this case.
- A class is provided to mark the beginning and end of a critical task for iOS.
- A wrapper around a task is introduced that annotates that a class is "critical". Right now we have the wrapping code for iOS and it is just a no-op for other platforms.
BUG=NONE
Review URL: https://chromiumcodereview.appspot.com/10835032
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@149422 0039d316-1c4b-4281-b951-d872f2087c98
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