GCM: Add Android UMA, and UMA for deleted/collapsed messages

GCM: Add Android UMA, and UMA for deleted/collapsed messages

- Adds GCM.DeletedMessagesReceived UMA for incoming DELETED_MESSAGES,
  which happens when the 100 non-collapsible messages limit is exceeded
  on the GCM server.

- Adds GCM.DataMessageReceivedHasCollapseKey UMA for incoming messages
  with collapse_key, giving a baseline to compare the previous UMA with.

- Makes the existing GCM.DataMessageReceivedHasRegisteredApp and
  GCM.DataMessageReceived UMAs only count DATA_MESSAGE rather than
  DELETED_MESSAGES, to better match their names (and be more useful).

- Also adds all of the above UMAs to Android, which used to have no UMA.

BUG=672067
Review-Url: https://codereview.chromium.org/2558553002
Cr-Commit-Position: refs/heads/master@{#438339}
(cherry picked from commit 409dc538bb1495c458a72f7e93eb9e1dab102036)

Committed: https://chromium.googlesource.com/chromium/src/+/5b6db9c7dfd03651ccbad98eb27a7daf4b8de8e2

[johnme, 2016-12-15 00:26:20]

Description was changed from

==========
GCM: Add Android UMA, and UMA for deleted/collapsed messages

- Adds GCM.DeletedMessagesReceived UMA for incoming DELETED_MESSAGES,
  which happens when the 100 non-collapsible messages limit is exceeded
  on the GCM server.

- Adds GCM.DataMessageReceivedHasCollapseKey UMA for incoming messages
  with collapse_key, giving a baseline to compare the previous UMA with.

- Makes the existing GCM.DataMessageReceivedHasRegisteredApp and
  GCM.DataMessageReceived UMAs only count DATA_MESSAGE rather than
  DELETED_MESSAGES, to better match their names (and be more useful).

- Also adds all of the above UMAs to Android, which used to have no UMA.

BUG=672067

Review-Url: https://codereview.chromium.org/2558553002
Cr-Commit-Position: refs/heads/master@{#438339}
(cherry picked from commit 409dc538bb1495c458a72f7e93eb9e1dab102036)
==========

to

==========
GCM: Add Android UMA, and UMA for deleted/collapsed messages

- Adds GCM.DeletedMessagesReceived UMA for incoming DELETED_MESSAGES,
  which happens when the 100 non-collapsible messages limit is exceeded
  on the GCM server.

- Adds GCM.DataMessageReceivedHasCollapseKey UMA for incoming messages
  with collapse_key, giving a baseline to compare the previous UMA with.

- Makes the existing GCM.DataMessageReceivedHasRegisteredApp and
  GCM.DataMessageReceived UMAs only count DATA_MESSAGE rather than
  DELETED_MESSAGES, to better match their names (and be more useful).

- Also adds all of the above UMAs to Android, which used to have no UMA.

BUG=672067

Review-Url: https://codereview.chromium.org/2558553002
Cr-Commit-Position: refs/heads/master@{#438339}
(cherry picked from commit 409dc538bb1495c458a72f7e93eb9e1dab102036)

Committed:
https://chromium.googlesource.com/chromium/src/+/5b6db9c7dfd03651ccbad98eb27a...
==========

[johnme, 2016-12-15 00:26:21]

Committed patchset #1 (id:1) manually as
5b6db9c7dfd03651ccbad98eb27a7daf4b8de8e2 (tree was closed).