[Mac, Win] Don't allow blank spaces in profile names in the new avatar bubble.

chrome/browser/ui/views/profiles/profile_chooser_view.cc

Index: chrome/browser/ui/views/profiles/profile_chooser_view.cc
diff --git a/chrome/browser/ui/views/profiles/profile_chooser_view.cc b/chrome/browser/ui/views/profiles/profile_chooser_view.cc
index 7c3d6e45599ec459780301f5f70b40f511fd8e0c..110013b87f58edb14ee268de667c48a65da29bb1 100644
--- a/chrome/browser/ui/views/profiles/profile_chooser_view.cc
+++ b/chrome/browser/ui/views/profiles/profile_chooser_view.cc
@@ -800,6 +800,8 @@ bool ProfileChooserView::HandleKeyEvent(views::Textfield* sender,
       key_event.key_code() == ui::VKEY_TAB) {
     // Pressing Tab/Enter commits the new profile name, unless it's empty.
     base::string16 new_profile_name = name_textfield->text();
+    base::TrimString(new_profile_name, base::ASCIIToUTF16(" "),

[sky, 2014/08/15 04:38:41]

Might it be possible to get other characters in the name you don't want by way
of pasting? I'm wondering if this should trim all whitespace.

[noms (inactive), 2014/08/15 13:32:41]

But if you paste it in, isn't it still in the text() of the textfield? Do you
mean trimming \t and \n?

[sky, 2014/08/15 19:28:37]

Exactly.

+        &new_profile_name);
     if (new_profile_name.empty())
       return true;