[Global] Update refs to Workspace.fileManager

Bug: 1006759
Change-Id: I24df39a057535819b4111bf30cf911b824800e0d
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/2019122
Commit-Queue: Paul Lewis <aerotwist@chromium.org>
Reviewed-by: Tim van der Lippe <tvanderlippe@chromium.org>
diff --git a/front_end/audits/AuditsReportRenderer.js b/front_end/audits/AuditsReportRenderer.js
index 69e452c..d99dbf6 100644
--- a/front_end/audits/AuditsReportRenderer.js
+++ b/front_end/audits/AuditsReportRenderer.js
@@ -145,7 +145,7 @@
     const ext = blob.type.match('json') ? '.json' : '.html';
     const basename = `${sanitizedDomain}-${timestamp}${ext}`;
     const text = await blob.text();
-    Workspace.fileManager.save(basename, text, true /* forceSaveAs */);
+    self.Workspace.fileManager.save(basename, text, true /* forceSaveAs */);
   }
 
   async _print() {
diff --git a/front_end/main/MainImpl.js b/front_end/main/MainImpl.js
index 65f5c1d..06fe775 100644
--- a/front_end/main/MainImpl.js
+++ b/front_end/main/MainImpl.js
@@ -208,7 +208,7 @@
     UI.shortcutsScreen.section(Common.UIString('Debugger'));
     UI.shortcutsScreen.section(Common.UIString('Console'));
 
-    Workspace.fileManager = new Workspace.FileManager();
+    self.Workspace.fileManager = new Workspace.FileManager();
     self.Workspace.workspace = new Workspace.Workspace();
 
     self.Bindings.networkProjectManager = new Bindings.NetworkProjectManager();
diff --git a/front_end/persistence/PersistenceActions.js b/front_end/persistence/PersistenceActions.js
index 54c812e..ef0f647 100644
--- a/front_end/persistence/PersistenceActions.js
+++ b/front_end/persistence/PersistenceActions.js
@@ -24,8 +24,8 @@
         content = window.atob(content);
       }
       const url = contentProvider.contentURL();
-      Workspace.fileManager.save(url, /** @type {string} */ (content), true);
-      Workspace.fileManager.close(url);
+      self.Workspace.fileManager.save(url, /** @type {string} */ (content), true);
+      self.Workspace.fileManager.close(url);
     }
 
     if (contentProvider.contentType().isDocumentOrScriptOrStyleSheet()) {
diff --git a/front_end/sources/SourcesNavigator.js b/front_end/sources/SourcesNavigator.js
index b2b7a4f..fea598b 100644
--- a/front_end/sources/SourcesNavigator.js
+++ b/front_end/sources/SourcesNavigator.js
@@ -297,8 +297,8 @@
   async _handleSaveAs(uiSourceCode) {
     uiSourceCode.commitWorkingCopy();
     const {content} = await uiSourceCode.requestContent();
-    Workspace.fileManager.save(uiSourceCode.url(), content || '', true);
-    Workspace.fileManager.close(uiSourceCode.url());
+    self.Workspace.fileManager.save(uiSourceCode.url(), content || '', true);
+    self.Workspace.fileManager.close(uiSourceCode.url());
   }
 }
 
diff --git a/front_end/workspace/workspace-legacy.js b/front_end/workspace/workspace-legacy.js
index 6236e67..12fd1b7 100644
--- a/front_end/workspace/workspace-legacy.js
+++ b/front_end/workspace/workspace-legacy.js
@@ -52,7 +52,7 @@
 /**
  * @type {?Workspace.FileManager}
  */
-Workspace.fileManager;
+self.Workspace.fileManager;
 
 /**
  * @type {!Workspace.Workspace}