custom-tabs: "PLT" histograms for Chrome Custom Tabs.
commitf347a85c4793bc3bd063d3911b87913b0c360994
authorlizeb <lizeb@chromium.org>
Thu, 18 Jun 2015 12:32:02 +0000 (18 05:32 -0700)
committerCommit bot <commit-bot@chromium.org>
Thu, 18 Jun 2015 12:33:27 +0000 (18 12:33 +0000)
treefb53675f35f56b2e0c131de0b0db5842ffae8ae1
parent2d227f5a0e167edea45690af1bd8cb80bcf006f6
custom-tabs: "PLT" histograms for Chrome Custom Tabs.

This CL introduces two "PLT"-like histograms for Chrome Custom Tabs:
- Time from Intent to first commit
- Time from Intent to "page loaded"

These are not directly comparable to the usual PLT metrics, as the
timing are taken from the intent arriving in Chrome, to better reflect
the user-visible latency.

BUG=498776

Review URL: https://codereview.chromium.org/1176903003

Cr-Commit-Position: refs/heads/master@{#335018}
chrome/android/java/src/org/chromium/chrome/browser/IntentHandler.java
chrome/android/java_staging/src/org/chromium/chrome/browser/customtabs/CustomTab.java
chrome/android/java_staging/src/org/chromium/chrome/browser/customtabs/CustomTabActivity.java
chrome/android/java_staging/src/org/chromium/chrome/browser/customtabs/CustomTabContentHandler.java
chrome/android/java_staging/src/org/chromium/chrome/browser/document/ChromeLauncherActivity.java
chrome/android/javatests_shell/src/org/chromium/chrome/browser/IntentHandlerTest.java
tools/metrics/histograms/histograms.xml