DevTools: Clarify memory profile titles and descriptions.

Change-Id: I010c2533ac3e0b6de0af0e3eb1bdd524c7c606b4
Reviewed-on: https://chromium-review.googlesource.com/896641
Commit-Queue: Alexei Filippov <alph@chromium.org>
Reviewed-by: Pavel Feldman <pfeldman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#534642}

third_party/WebKit/Source/devtools/front_end/profiler/HeapProfileView.js

@@ -160,16 +160,18 @@ Profiler.SamplingHeapProfileTypeBase = class extends Profiler.ProfileType {
  */
 Profiler.SamplingHeapProfileType = class extends Profiler.SamplingHeapProfileTypeBase {
   constructor() {
-    super(Profiler.SamplingHeapProfileType.TypeId, Common.UIString('Record allocation profile'));
+    super(Profiler.SamplingHeapProfileType.TypeId, ls`Allocation sampling`);
     Profiler.SamplingHeapProfileType.instance = this;
   }
 
   get treeItemTitle() {
-    return Common.UIString('ALLOCATION PROFILES');
+    return ls`SAMPLING PROFILES`;
   }
 
   get description() {
-    return Common.UIString('Allocation profiles show memory allocations from your JavaScript functions.');
+    return ls`Record memory allocations using sampling method.
+              This profile type has minimal performance overhead and can be used for long running operations.
+              It provides good approximation of allocations broken down by JavaScript execution stack.`;
   }
 
   /**
@@ -195,16 +197,16 @@ Profiler.SamplingHeapProfileType.TypeId = 'SamplingHeap';
  */
 Profiler.SamplingNativeHeapProfileType = class extends Profiler.SamplingHeapProfileTypeBase {
   constructor() {
-    super(Profiler.SamplingNativeHeapProfileType.TypeId, Common.UIString('Record native memory allocation profile'));
+    super(Profiler.SamplingNativeHeapProfileType.TypeId, ls`Native memory allocation sampling`);
     Profiler.SamplingNativeHeapProfileType.instance = this;
   }
 
   get treeItemTitle() {
-    return Common.UIString('NATIVE ALLOCATION PROFILES');
+    return ls`NATIVE SAMPLING PROFILES`;
   }
 
   get description() {
-    return Common.UIString('Allocation profiles show sampled native memory allocations from the renderer process.');
+    return ls`Allocation profiles show sampled native memory allocations from the renderer process.`;
   }
 
   /**
@@ -230,7 +232,7 @@ Profiler.SamplingNativeHeapProfileType.TypeId = 'SamplingNativeHeapRecording';
  */
 Profiler.SamplingNativeHeapSnapshotType = class extends Profiler.SamplingHeapProfileTypeBase {
   constructor() {
-    super(Profiler.SamplingNativeHeapSnapshotType.TypeId, Common.UIString('Take native memory allocations snapshot'));
+    super(Profiler.SamplingNativeHeapSnapshotType.TypeId, ls`Native memory allocation snapshot`);
     Profiler.SamplingNativeHeapSnapshotType.instance = this;
   }
 
@@ -243,14 +245,13 @@ Profiler.SamplingNativeHeapSnapshotType = class extends Profiler.SamplingHeapPro
   }
 
   get treeItemTitle() {
-    return Common.UIString('NATIVE SNAPSHOTS');
+    return ls`NATIVE SNAPSHOTS`;
   }
 
   get description() {
-    return Common.UIString(
-        'Native memory snapshots show sampled native allocations in the renderer process since start up. ' +
-        'Chrome has to be started with --sampling-heap-profiler flag. ' +
-        'Check flags at chrome://flags');
+    return ls`Native memory snapshots show sampled native allocations in the renderer process since start up.
+              Chrome has to be started with --sampling-heap-profiler flag.
+              Check flags at chrome://flags`;
   }
 
   /**

third_party/WebKit/Source/devtools/front_end/profiler/HeapSnapshotView.js

@@ -943,7 +943,7 @@ Profiler.HeapSnapshotProfileType = class extends Profiler.ProfileType {
    * @param {string=} title
    */
   constructor(id, title) {
-    super(id || Profiler.HeapSnapshotProfileType.TypeId, title || Common.UIString('Take heap snapshot'));
+    super(id || Profiler.HeapSnapshotProfileType.TypeId, title || ls`Heap snapshot`);
     SDK.targetManager.observeModels(SDK.HeapProfilerModel, this);
     SDK.targetManager.addModelListener(
         SDK.HeapProfilerModel, SDK.HeapProfilerModel.Events.ResetProfiles, this._resetProfiles, this);
@@ -1095,7 +1095,7 @@ Profiler.HeapSnapshotProfileType.SnapshotReceived = 'SnapshotReceived';
  */
 Profiler.TrackingHeapSnapshotProfileType = class extends Profiler.HeapSnapshotProfileType {
   constructor() {
-    super(Profiler.TrackingHeapSnapshotProfileType.TypeId, Common.UIString('Record allocation timeline'));
+    super(Profiler.TrackingHeapSnapshotProfileType.TypeId, ls`Allocation instrumentation on timeline`);
   }
 
   /**
@@ -1165,8 +1165,7 @@ Profiler.TrackingHeapSnapshotProfileType = class extends Profiler.HeapSnapshotPr
   }
 
   get buttonTooltip() {
-    return this._recording ? Common.UIString('Stop recording heap profile') :
-                             Common.UIString('Start recording heap profile');
+    return this._recording ? ls`Stop recording heap profile` : ls`Start recording heap profile`;
   }
 
   /**
@@ -1245,12 +1244,15 @@ Profiler.TrackingHeapSnapshotProfileType = class extends Profiler.HeapSnapshotPr
   }
 
   get treeItemTitle() {
-    return Common.UIString('ALLOCATION TIMELINES');
+    return ls`ALLOCATION TIMELINES`;
   }
 
   get description() {
-    return Common.UIString(
-        'Allocation timelines show memory allocations from your heap over time. Use this profile type to isolate memory leaks.');
+    return ls`
+        Allocation timelines show instrumented JavaScript memory allocations over time.
+        Once profile is recorded you can select a time interval to see objects that
+        were allocated within it and still alive by the end of recording.
+        Use this profile type to isolate memory leaks.`;
   }
 
   /**