agale@chromium.org estalin@chromium.org chrome-performance-ui-sea@google.com

Logged on each battery saver mode bubble close indicating whether the bubble is dismissed (either by the user or by the system e.g. closed at shutdown) or used it to turn off battery saver mode for current session. This will be used to measure the efficacy of the bubble message and the number of users that interact with the battery saver toolbar button.

agale@chromium.org estalin@chromium.org chrome-performance-ui-sea@google.com

Logged each time the user opens the settings page through the link on the battery saver mode IPH. This will be combined with an existing histogram measuring the number of times the IPH is open to measure how the user responds to it.

charlesmeng@chromium.org chrome-performance-ui-sea@google.com

Logs the state of the battery saver mode pref when the user makes a change to it through the settings page. This will be used to measure the discoverability and usefulness of battery saver mode.

agale@chromium.org chrome-performance-ui-sea@google.com

Logged on each high efficiency mode dialog close indicating whether the user opened the settings page or dismissed the dialog. This will be used to measure the efficacy of the dialog message and the number of users that interact with the high efficiency page action chip.

agale@chromium.org chrome-performance-ui-sea@google.com

Logged the first time a user revisits a discarded tab indicating the state of the high efficiency page action chip. This will be used to tune the parameters for how often we show the informational and promotional page action chips.

agale@chromium.org chrome-performance-ui-sea@google.com

Logged each time the user enables high efficiency mode through the link on the high efficiency mode IPH. This will be combined with an existing histogram measuring the number of times the IPH is open to measure how the user responds to it.

charlesmeng@chromium.org chrome-performance-ui-sea@google.com

Logs whether the user did an add, edit, or remove operation to the tab discard exception list for high efficiency mode. This will be used to better understand how users interact with the list, and to see if we need to improve our heuristics for tab discarding.

charlesmeng@chromium.org chrome-performance-ui-sea@google.com

Logs the state of the high efficiency mode pref when the user makes a change to it through the settings page. This will be used to measure the discoverability and usefulness of high efficiency mode.