[DevTools] Do not expose agents on Target

third_party/WebKit/Source/devtools/front_end/sdk/Resource.js

Index: third_party/WebKit/Source/devtools/front_end/sdk/Resource.js
diff --git a/third_party/WebKit/Source/devtools/front_end/sdk/Resource.js b/third_party/WebKit/Source/devtools/front_end/sdk/Resource.js
index 91e50c8c56d8e59489de9ff81d4990d0db2a0f9d..48236975ce9e8fb0a4fef1564d464a25bc8968aa 100644
--- a/third_party/WebKit/Source/devtools/front_end/sdk/Resource.js
+++ b/third_party/WebKit/Source/devtools/front_end/sdk/Resource.js
@@ -32,6 +32,7 @@
 SDK.Resource = class {
   /**
    * @param {!SDK.ResourceTreeModel} resourceTreeModel
+   * @param {!Protocol.PageAgent} pageAgent
    * @param {?SDK.NetworkRequest} request
    * @param {string} url
    * @param {string} documentURL
@@ -43,8 +44,10 @@ SDK.Resource = class {
    * @param {?number} contentSize
    */
   constructor(
-      resourceTreeModel, request, url, documentURL, frameId, loaderId, type, mimeType, lastModified, contentSize) {
+      resourceTreeModel, pageAgent, request, url, documentURL, frameId, loaderId, type, mimeType, lastModified,
+      contentSize) {
     this._resourceTreeModel = resourceTreeModel;
+    this._pageAgent = pageAgent;
     this._request = request;
     this.url = url;
     this._documentURL = documentURL;
@@ -223,12 +226,10 @@ SDK.Resource = class {
       callback(searchMatches || []);
     }
 
-    if (this.frameId) {
-      this._resourceTreeModel.target().pageAgent().searchInResource(
-          this.frameId, this.url, query, caseSensitive, isRegex, callbackWrapper);
-    } else {
+    if (this.frameId)
+      this._pageAgent.searchInResource(this.frameId, this.url, query, caseSensitive, isRegex, callbackWrapper);
+    else
       callback([]);
-    }
   }
 
   /**
@@ -312,8 +313,7 @@ SDK.Resource = class {
       contentLoaded.call(this, null, content, this.request.contentEncoded);
     }
 
-    this._resourceTreeModel.target().pageAgent().getResourceContent(
-        this.frameId, this.url, resourceContentLoaded.bind(this));
+    this._pageAgent.getResourceContent(this.frameId, this.url, resourceContentLoaded.bind(this));
   }
 
   /**