Add IsLockedProcess histograms for HTTP(S) navigations only.

Bug: 1004371
Change-Id: I62c91186f046b6701c8fdd1fded90f38d45188c5
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1817286Reviewed-by: Ilya Sherman <isherman@chromium.org>
Reviewed-by: Łukasz Anforowicz <lukasza@chromium.org>
Commit-Queue: Alex Moshchuk <alexmos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#699054}

content/browser/frame_host/navigation_request.cc

@@ -469,11 +469,20 @@ void RecordReadyToCommitMetrics(
 
   UMA_HISTOGRAM_BOOLEAN("Navigation.RequiresDedicatedProcess",
                         new_rfh->GetSiteInstance()->RequiresDedicatedProcess());
+  if (common_params.url.SchemeIsHTTPOrHTTPS()) {
+    UMA_HISTOGRAM_BOOLEAN(
+        "Navigation.RequiresDedicatedProcess.HTTPOrHTTPS",
+        new_rfh->GetSiteInstance()->RequiresDedicatedProcess());
+  }
 
   ChildProcessSecurityPolicyImpl* policy =
       ChildProcessSecurityPolicyImpl::GetInstance();
   GURL process_lock = policy->GetOriginLock(new_rfh->GetProcess()->GetID());
   UMA_HISTOGRAM_BOOLEAN("Navigation.IsLockedProcess", !process_lock.is_empty());
+  if (common_params.url.SchemeIsHTTPOrHTTPS()) {
+    UMA_HISTOGRAM_BOOLEAN("Navigation.IsLockedProcess.HTTPOrHTTPS",
+                          !process_lock.is_empty());
+  }
 
   if (common_params.transition & ui::PAGE_TRANSITION_FORWARD_BACK) {
     UMA_HISTOGRAM_BOOLEAN("Navigation.IsSameProcess.BackForward",

tools/metrics/histograms/histograms.xml

@@ -71436,6 +71436,17 @@ uploading your change for review.
   </summary>
 </histogram>
 
+<histogram name="Navigation.IsLockedProcess.HTTPOrHTTPS"
+    enum="NavigationIsLockedProcess" expires_after="2020-12-31">
+  <owner>alexmos@chromium.org</owner>
+  <owner>lukasza@chromium.org</owner>
+  <summary>
+    Whether the navigation commits in a process that is locked to an origin.
+    Logged at ready-to-commit time for every navigation that commits with a HTTP
+    or HTTPS URL scheme, excluding same-document navigations and errors.
+  </summary>
+</histogram>
+
 <histogram name="Navigation.IsMobileOptimized" enum="BooleanIsMobileOptimized"
     expires_after="2018-03-05">
   <obsolete>
@@ -71708,6 +71719,18 @@ uploading your change for review.
   </summary>
 </histogram>
 
+<histogram name="Navigation.RequiresDedicatedProcess.HTTPOrHTTPS"
+    enum="NavigationRequiresDedicatedProcess" expires_after="2020-12-31">
+  <owner>alexmos@chromium.org</owner>
+  <owner>lukasza@chromium.org</owner>
+  <summary>
+    Whether the navigation commits in a SiteInstance that requires a dedicated
+    process. Logged at ready-to-commit time for every navigation that commits
+    with a HTTP or HTTPS URL scheme, excluding same-document navigations and
+    errors.
+  </summary>
+</histogram>
+
 <histogram
     name="Navigation.ResourceHandler.ProceedWithResponseUntilFirstReadCompleted"
     units="ms">