DevTools: make paint profiler target-aware

Source/devtools/front_end/sdk/PaintProfiler.js

Index: Source/devtools/front_end/sdk/PaintProfiler.js
diff --git a/Source/devtools/front_end/sdk/PaintProfiler.js b/Source/devtools/front_end/sdk/PaintProfiler.js
index 95d41b2eea1e4a485379a5b206c60d944f51e528..67ccad7559126a8e5c8fdd41cb5c20bae0ac74c5 100644
--- a/Source/devtools/front_end/sdk/PaintProfiler.js
+++ b/Source/devtools/front_end/sdk/PaintProfiler.js
@@ -30,21 +30,25 @@
 
 /**
  * @constructor
+ * @param {!WebInspector.Target} target
  * @param {string} snapshotId
+ * @extends {WebInspector.SDKObject}
  */
-WebInspector.PaintProfilerSnapshot = function(snapshotId)
+WebInspector.PaintProfilerSnapshot = function(target, snapshotId)

[sergeyv, 2014/07/11 11:29:00]

As we spoke offline, this snapshot can live longer than target which generated
it

 {
+    WebInspector.SDKObject.call(this, target);
     this._id = snapshotId;
 }
 
 /**
+ * @param {!WebInspector.Target} target
  * @param {string} encodedPicture
  * @param {function(?WebInspector.PaintProfilerSnapshot)} callback
  */
-WebInspector.PaintProfilerSnapshot.load = function(encodedPicture, callback)
+WebInspector.PaintProfilerSnapshot.load = function(target, encodedPicture, callback)
 {
-    var wrappedCallback = InspectorBackend.wrapClientCallback(callback, "LayerTreeAgent.loadSnapshot(): ", WebInspector.PaintProfilerSnapshot);
-    LayerTreeAgent.loadSnapshot(encodedPicture, wrappedCallback);
+    var wrappedCallback = InspectorBackend.wrapClientCallback(callback, "LayerTreeAgent.loadSnapshot(): ", WebInspector.PaintProfilerSnapshot.bind(null, target));
+    target.layerTreeAgent().loadSnapshot(encodedPicture, wrappedCallback);
 }
 
 /**
@@ -97,7 +101,7 @@ WebInspector.PaintProfilerSnapshot._processAnnotations = function(log)
 WebInspector.PaintProfilerSnapshot.prototype = {
     dispose: function()
     {
-        LayerTreeAgent.releaseSnapshot(this._id);
+        this.target().layerTreeAgent().releaseSnapshot(this._id);
     },
 
     /**
@@ -109,7 +113,7 @@ WebInspector.PaintProfilerSnapshot.prototype = {
     requestImage: function(firstStep, lastStep, scale, callback)
     {
         var wrappedCallback = InspectorBackend.wrapClientCallback(callback, "LayerTreeAgent.replaySnapshot(): ");
-        LayerTreeAgent.replaySnapshot(this._id, firstStep || undefined, lastStep || undefined, scale || 1.0, wrappedCallback);
+        this.target().layerTreeAgent().replaySnapshot(this._id, firstStep || undefined, lastStep || undefined, scale || 1.0, wrappedCallback);
     },
 
     /**
@@ -118,7 +122,7 @@ WebInspector.PaintProfilerSnapshot.prototype = {
     profile: function(callback)
     {
         var wrappedCallback = InspectorBackend.wrapClientCallback(callback, "LayerTreeAgent.profileSnapshot(): ");
-        LayerTreeAgent.profileSnapshot(this._id, 5, 1, wrappedCallback);
+        this.target().layerTreeAgent().profileSnapshot(this._id, 5, 1, wrappedCallback);
     },
 
     /**
@@ -139,9 +143,11 @@ WebInspector.PaintProfilerSnapshot.prototype = {
             }
             callback(WebInspector.PaintProfilerSnapshot._processAnnotations(log));
         }
-        LayerTreeAgent.snapshotCommandLog(this._id, callbackWrapper);
+
+        this.target().layerTreeAgent().snapshotCommandLog(this._id, callbackWrapper);
     },
 
+    __proto__: WebInspector.SDKObject.prototype
 };
 
 /**