WebUI: Rename DOMUIScreenshotSource to WebUIScreenshotSource.

BUG=59945
TEST=trybots

Review URL: http://codereview.chromium.org/6322012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@72923 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index ede2d80d..3dcf6295 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -867,8 +867,6 @@
         'browser/dom_ui/dom_ui_factory.h',
         'browser/dom_ui/dom_ui_favicon_source.cc',
         'browser/dom_ui/dom_ui_favicon_source.h',
-        'browser/dom_ui/dom_ui_screenshot_source.cc',
-        'browser/dom_ui/dom_ui_screenshot_source.h',
         'browser/dom_ui/dom_ui_theme_source.cc',
         'browser/dom_ui/dom_ui_theme_source.h',
         'browser/dom_ui/dom_ui_thumbnail_source.cc',
@@ -989,6 +987,8 @@
         'browser/dom_ui/tips_handler.h',
         'browser/dom_ui/value_helper.cc',
         'browser/dom_ui/value_helper.h',
+        'browser/dom_ui/web_ui_screenshot_source.cc',
+        'browser/dom_ui/web_ui_screenshot_source.h',
         'browser/download/base_file.cc',
         'browser/download/base_file.h',
         'browser/download/download_extensions.cc',