Change bucketing of drivefs metrics

Apparently our times saturate the default bucketing and we want wider.

BUG=None

Change-Id: I03d5c0ef99107c4025e5d8a67e4d2e85133dcb3b
Reviewed-on: https://chromium-review.googlesource.com/c/1300355
Commit-Queue: Sergei Datsenko <dats@chromium.org>
Reviewed-by: Sam McNally <sammc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#602985}

chrome/browser/chromeos/drive/drive_integration_service.cc

@@ -346,10 +346,10 @@ void UmaEmitMountOutcome(DriveMountStatus status,
                          const base::TimeTicks& time_started) {
   UMA_HISTOGRAM_ENUMERATION("DriveCommon.Lifecycle.Mount", status);
   if (status == DriveMountStatus::kSuccess) {
-    UMA_HISTOGRAM_TIMES("DriveCommon.Lifecycle.MountTime.SuccessTime",
+    UMA_HISTOGRAM_MEDIUM_TIMES("DriveCommon.Lifecycle.MountTime.SuccessTime",
                                base::TimeTicks::Now() - time_started);
   } else {
-    UMA_HISTOGRAM_TIMES("DriveCommon.Lifecycle.MountTime.FailTime",
+    UMA_HISTOGRAM_MEDIUM_TIMES("DriveCommon.Lifecycle.MountTime.FailTime",
                                base::TimeTicks::Now() - time_started);
   }
 }
@@ -359,7 +359,7 @@ void UmaEmitUnmountOutcome(DriveMountStatus status) {
 }
 
 void UmaEmitFirstLaunch(const base::TimeTicks& time_started) {
-  UMA_HISTOGRAM_TIMES("DriveCommon.Lifecycle.FirstLaunchTime",
+  UMA_HISTOGRAM_MEDIUM_TIMES("DriveCommon.Lifecycle.FirstLaunchTime",
                              base::TimeTicks::Now() - time_started);
 }
 

chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc

@@ -862,11 +862,17 @@ void UmaEmitSearchOutcome(
       infix = "OfflineSearchTime";
       break;
   }
-  base::UmaHistogramTimes(
-      base::StrCat(
-          {remote ? "DriveCommon.RemoteSearch." : "DriveCommon.LocalSearch.",
-           infix, success ? ".SuccessTime" : ".FailTime"}),
+  if (remote) {
+    base::UmaHistogramMediumTimes(
+        base::StrCat({"DriveCommon.RemoteSearch.", infix,
+                      success ? ".SuccessTime" : ".FailTime"}),
         base::TimeTicks::Now() - time_started);
+  } else {
+    base::UmaHistogramMediumTimes(
+        base::StrCat({"DriveCommon.LocalSearch.", infix,
+                      success ? ".SuccessTime" : ".FailTime"}),
+        base::TimeTicks::Now() - time_started);
+  }
 }
 
 }  // namespace