chrome: Rename the remaining entries from "Newtab" to "NewTab".

These entries were found with the following command line:

$ git grep Newtab chrome/

BUG=None
R=sky@chromium.org

Review URL: https://codereview.chromium.org/786893007

Cr-Commit-Position: refs/heads/master@{#308280}

chrome/browser/extensions/extension_override_apitest.cc

@@ -48,7 +48,7 @@ class ExtensionOverrideTest : public ExtensionApiTest {
   }
 };
 
-IN_PROC_BROWSER_TEST_F(ExtensionOverrideTest, OverrideNewtab) {
+IN_PROC_BROWSER_TEST_F(ExtensionOverrideTest, OverrideNewTab) {
   ASSERT_TRUE(RunExtensionTest("override/newtab")) << message_;
   {
     extensions::ResultCatcher catcher;
@@ -69,11 +69,11 @@ IN_PROC_BROWSER_TEST_F(ExtensionOverrideTest, OverrideNewtab) {
 
 #if defined(OS_MACOSX)
 // Hangy: http://crbug.com/70511
-#define MAYBE_OverrideNewtabIncognito DISABLED_OverrideNewtabIncognito
+#define MAYBE_OverrideNewTabIncognito DISABLED_OverrideNewTabIncognito
 #else
-#define MAYBE_OverrideNewtabIncognito OverrideNewtabIncognito
+#define MAYBE_OverrideNewTabIncognito OverrideNewTabIncognito
 #endif
-IN_PROC_BROWSER_TEST_F(ExtensionOverrideTest, MAYBE_OverrideNewtabIncognito) {
+IN_PROC_BROWSER_TEST_F(ExtensionOverrideTest, MAYBE_OverrideNewTabIncognito) {
   ASSERT_TRUE(RunExtensionTest("override/newtab")) << message_;
 
   // Navigate an incognito tab to the new tab page.  We should get the actual

chrome/browser/resources/hotword_helper/manager.js

@@ -14,7 +14,7 @@
  *      component extension.
  *  - Settings for enabling and disabling the hotword extension has moved to
  *      Chrome settings.
- *  - Newtab page is served via chrome://newtab/
+ *  - NewTab page is served via chrome://newtab/
  *
  */