replace executionContext for debugger with blockchain object

src/app.js

@@ -306,7 +306,7 @@ Please make a backup of your contracts and start using http://remix.ethereum.org
     mainview
   )
   const analysis = new AnalysisTab(registry)
-  const debug = new DebuggerTab(executionContext)
+  const debug = new DebuggerTab(blockchain)
   const test = new TestTab(
     registry.get('filemanager').api,
     filePanel,

src/app/tabs/debugger-tab.js

@@ -21,10 +21,10 @@ const profile = {
 
 class DebuggerTab extends ViewPlugin {
 
-  constructor (executionContext) {
+  constructor (blockchain) {
     super(profile)
     this.el = null
-    this.executionContext = executionContext
+    this.blockchain = blockchain
   }
 
   render () {
@@ -34,7 +34,7 @@ class DebuggerTab extends ViewPlugin {
       <div class="${css.debuggerTabView}" id="debugView">
         <div id="debugger" class="${css.debugger}"></div>
       </div>`
-    this.debuggerUI = new DebuggerUI(this.el.querySelector('#debugger'), this.executionContext)
+    this.debuggerUI = new DebuggerUI(this.el.querySelector('#debugger'), this.blockchain)
     return this.el
   }
 

src/app/tabs/debugger/debuggerUI.js

@@ -30,9 +30,9 @@ var css = csjs`
 
 class DebuggerUI {
 
-  constructor (container, executionContext) {
+  constructor (container, blockchain) {
     this.registry = globalRegistry
-    this.executionContext = executionContext
+    this.blockchain = blockchain
     this.event = new EventManager()
 
     this.isActive = false
@@ -105,13 +105,13 @@ class DebuggerUI {
 
   getDebugWeb3 () {
     return new Promise((resolve, reject) => {
-      this.executionContext.detectNetwork((error, network) => {
+      this.blockchain.detectNetwork((error, network) => {
         let web3
         if (error || !network) {
-          web3 = init.web3DebugNode(this.executionContext.web3())
+          web3 = init.web3DebugNode(this.blockchain.web3())
         } else {
           const webDebugNode = init.web3DebugNode(network.name)
-          web3 = !webDebugNode ? this.executionContext.web3() : webDebugNode
+          web3 = !webDebugNode ? this.blockchain.web3() : webDebugNode
         }
         init.extendWeb3(web3)
         resolve(web3)