Material PDF: Variety of minor UI bugfixes

chrome/test/data/pdf/toolbar_manager_test.js

Index: chrome/test/data/pdf/toolbar_manager_test.js
diff --git a/chrome/test/data/pdf/toolbar_manager_test.js b/chrome/test/data/pdf/toolbar_manager_test.js
index 42ed8e59f06160aa03e42cb69a93e83397572f84..e170693c63b74a3107a68e19cc8dcd060b057644 100644
--- a/chrome/test/data/pdf/toolbar_manager_test.js
+++ b/chrome/test/data/pdf/toolbar_manager_test.js
@@ -77,11 +77,12 @@ var tests = [
 
     var toolbarManager =
         new ToolbarManager(mockWindow, toolbar, mockZoomToolbar);
+    toolbarManager.enableToolbars();
 
-    chrome.test.assertTrue(bookmarksDropdown.lowerBound == 680);
+    chrome.test.assertEq(680, bookmarksDropdown.lowerBound);
 
     mockWindow.setSize(1920, 480);
-    chrome.test.assertTrue(bookmarksDropdown.lowerBound == 80);
+    chrome.test.assertEq(80, bookmarksDropdown.lowerBound);
 
     chrome.test.succeed();
   },