base: Move UI code out of SysInfo.

This moves GetPrimaryDisplayDimensions() and DisplayCount()
out of base and into a new DisplayUtils class (currently
alongside the metrics code, since that's the only place that
they're called).  These methods add a GDK dependency that
prevents Chrome OS from including process_util (which
depends on SysInfo) in its libchrome library.

BUG=chromium-os:16153
TEST=moved existing unit tests

Review URL: http://codereview.chromium.org/7128001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@89194 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/metrics/metrics_log.cc b/chrome/browser/metrics/metrics_log.cc
index 20b1844..c826923e 100644
--- a/chrome/browser/metrics/metrics_log.cc
+++ b/chrome/browser/metrics/metrics_log.cc
@@ -19,6 +19,7 @@
 #include "chrome/browser/autocomplete/autocomplete.h"
 #include "chrome/browser/autocomplete/autocomplete_match.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/metrics/display_utils.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/logging_chrome.h"
@@ -350,10 +351,10 @@
     OPEN_ELEMENT_FOR_SCOPE("display");
     int width = 0;
     int height = 0;
-    base::SysInfo::GetPrimaryDisplayDimensions(&width, &height);
+    DisplayUtils::GetPrimaryDisplayDimensions(&width, &height);
     WriteIntAttribute("xsize", width);
     WriteIntAttribute("ysize", height);
-    WriteIntAttribute("screens", base::SysInfo::DisplayCount());
+    WriteIntAttribute("screens", DisplayUtils::GetDisplayCount());
   }
 
   {