This patch uses the WebContents' opener to extract the previous committed url for the very first na…

This patch uses the WebContents' opener to extract the previous committed url for the very first navigation within the MetricsWebContentsObserver.

This is used for the FromGWS abort metrics.

This patch was split from the previous CL here:
https://codereview.chromium.org/1901303004/

BUG=605259
Review URL: https://codereview.chromium.org/1924543002

Cr-Commit-Position: refs/heads/master@{#389893}
(cherry picked from commit ff3dd0217b152227db56a7d0731b431873ce88eb)

Add FromGWS variants to the AbortTiming metrics

This patch was split off from the larger CL authored here:
https://codereview.chromium.org/1901303004/

BUG=605259
Review URL: https://codereview.chromium.org/1919193003

Cr-Commit-Position: refs/heads/master@{#389903}
(cherry picked from commit 6bd4ae311136de4f95b19b8f1a3e6d4d8430b560)

TBR=bmcquade@chromium.org

Committed: https://chromium.googlesource.com/chromium/src/+/b0b63747d1888fb9ea8b46d7bd5870b410200684

[Charlie Harrison, 2016-04-28 17:18:02]

Description was changed from

==========
This patch uses the WebContents' opener to extract the previous committed url
for the very first navigation within the MetricsWebContentsObserver.

This is used for the FromGWS abort metrics.

This patch was split from the previous CL here:
https://codereview.chromium.org/1901303004/

BUG=605259

Review URL: https://codereview.chromium.org/1924543002

Cr-Commit-Position: refs/heads/master@{#389893}
(cherry picked from commit ff3dd0217b152227db56a7d0731b431873ce88eb)

Add FromGWS variants to the AbortTiming metrics

This patch was split off from the larger CL authored here:
https://codereview.chromium.org/1901303004/

BUG=605259

Review URL: https://codereview.chromium.org/1919193003

Cr-Commit-Position: refs/heads/master@{#389903}
(cherry picked from commit 6bd4ae311136de4f95b19b8f1a3e6d4d8430b560)

TBR=bmcquade@chromium.org
==========

to

==========
This patch uses the WebContents' opener to extract the previous committed url
for the very first navigation within the MetricsWebContentsObserver.

This is used for the FromGWS abort metrics.

This patch was split from the previous CL here:
https://codereview.chromium.org/1901303004/

BUG=605259

Review URL: https://codereview.chromium.org/1924543002

Cr-Commit-Position: refs/heads/master@{#389893}
(cherry picked from commit ff3dd0217b152227db56a7d0731b431873ce88eb)

Add FromGWS variants to the AbortTiming metrics

This patch was split off from the larger CL authored here:
https://codereview.chromium.org/1901303004/

BUG=605259

Review URL: https://codereview.chromium.org/1919193003

Cr-Commit-Position: refs/heads/master@{#389903}
(cherry picked from commit 6bd4ae311136de4f95b19b8f1a3e6d4d8430b560)

TBR=bmcquade@chromium.org

Committed:
https://chromium.googlesource.com/chromium/src/+/b0b63747d1888fb9ea8b46d7bd58...
==========

[Charlie Harrison, 2016-04-28 17:18:03]

Committed patchset #1 (id:1) manually as
b0b63747d1888fb9ea8b46d7bd5870b410200684 (presubmit successful).