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chrome/browser/sync.
Note on sync.gyp changes and .cc file moves: most files in /public have .h and their .cc side by side, as they are simple implementations. In some cases like model_type.cc (and others in a follow up patch, like sync_manager.cc) have only their header exposed in /public while the impl stays behind, because it needs to include things from within sync/, and /public has a strict include DEPS policy. This is in accordance with other /public folders (like content/).
Cleans up DEPS files in sync + c/b/sync. Adds sync/{engine, sessions, syncable} to public/. There is more to come (moving things in internal_api/ into public).
Not touching /notifier as that is in flux at the moment.
BUG=131130
TEST=
Review URL: https://chromiumcodereview.appspot.com/10532019
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@141038 0039d316-1c4b-4281-b951-d872f2087c98
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Since its inception sync has required all commits to be preceded by a
GetUpdates request. This was done to try to ensure we detect and resolve
conflicts on the client, rather than having two conflicting commits
collide at the server. It could never work perfectly, but it was likely
to work in most cases and the server would bounce the commit if it
didn't.
Now we have a new server that doesn't always give us the latest version
of a node when we ask for it, especially when the request was not
solicited by the server (ie. not triggered by notification). The update
before commit is now much less likely to detect conflicts. Even worse,
the useless update requests can be surprisingly expensive in certain
scenarios.
This change allows us to avoid fetching updates between 'batches' of
commits. This should improve performance in the case where we have lots
of items to commit (ie. first time sync) and reduce load on the server.
This CL has some far-reaching effects. This is in part because I decided
to refactor the commit code, but major changes would have been required
with or without the refactor. Highlights include:
- The commit-related SyncerCommands are now paramaterized with local
variables, allowing us to remove many members from the SyncSession
classes.
- Several syncer states have been collapsed into one COMMIT state
which redirects to the new BuildAndPostCommits() function.
- The PostCommitMessageCommand had been reduced to one line, which
has now been inlined into the BuildAndPostCommits() function.
- The unsynced_handles counter has been removed for now. Following this
change, it would have always been zero unless an error was encountered
during the commit. The functions that reference it expect different
behaviour and would have been broken by this change.
- The code to put extensions activity data back into the
ExtensionsActivityMonitor in case of failure has been moved around to
avoid double-counting if we have to post many commit messages.
- A CONFLICT response from the server is now treated as a transient
error. If we had continued to treat it as a success we might risk
going into an infinite loop. See comment in code for details.
- The "purposeless anachronism" conflicting_new_folder_ids_ has been
removed.
Review URL: https://chromiumcodereview.appspot.com/10210009
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@139159 0039d316-1c4b-4281-b951-d872f2087c98
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remoting, and sync.
BUG=none
TEST=none
TBR=brettw,hclam,akalin,abodenha
Review URL: https://chromiumcodereview.appspot.com/10387107
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@137376 0039d316-1c4b-4281-b951-d872f2087c98
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Also move related test files.
Move WriteNode::UpdateEntryWithEncryption to nigori_util.h.
Clean up defines and dependencies. In particular, get rid of SYNC_ENGINE_VERSION_STRING and hard-code the string in the single place it's used.
Rename data_encryption.* to data_encryption_win.* and add a pragma for crypt32.lib.
Clean up exit-time constructor warnings in sync{able,er}_unittest.cc.
Remove some unused files.
BUG=117585
TEST=
TBR=jhawkins@chromium.org
Review URL: https://chromiumcodereview.appspot.com/9699057
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@126872 0039d316-1c4b-4281-b951-d872f2087c98
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