Sitch the about:gpu implementation from an about handler to dom_ui.

Generalize tabswitcherview slightly so it doesn't rely on div naming to
obtain its styling.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/5228004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@69211 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 5a6fbb7..e64c1a0 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -885,6 +885,8 @@
         'browser/dom_ui/flags_ui.h',
         'browser/dom_ui/foreign_session_handler.cc',
         'browser/dom_ui/foreign_session_handler.h',
+        'browser/dom_ui/gpu_internals_ui.cc',
+        'browser/dom_ui/gpu_internals_ui.h',
         'browser/dom_ui/history_ui.cc',
         'browser/dom_ui/history_ui.h',
         'browser/dom_ui/history2_ui.cc',