Factor out logic to find chrome.exe from Omaha client state.

chrome/chrome.gyp

Index: chrome/chrome.gyp
diff --git a/chrome/chrome.gyp b/chrome/chrome.gyp
index 2d6ef055c584e2a6138925036a6d502a821f82e8..5b4211a7a8723fd977398fa7aec187a1b2e3ade9 100644
--- a/chrome/chrome.gyp
+++ b/chrome/chrome.gyp
@@ -1058,6 +1058,25 @@
             'tools/safe_browsing/sb_sigutil.cc',
           ],
         },
+        {
+          'target_name': 'launcher_support',
+          'type': 'static_library',
+          'include_dirs': [
+              '..',
+            ],
+          'direct_dependent_settings': {
+            'include_dirs': [
+              '..',
+            ],
+          },
+          'dependencies': [
+            '<(DEPTH)/base/base.gyp:base',
+          ],
+          'sources': [
+            'tools/launcher_support/chrome_launcher_support.cc',

[grt (UTC plus 2), 2012/06/13 18:00:10]

tools/ doesn't feel like the right place for this to me.  isn't that area more
for build tooling and the like?

[erikwright (departed), 2012/06/13 19:43:43]

Done.

+            'tools/launcher_support/chrome_launcher_support.h',
+          ],
+        },
       ]},  # 'targets'
     ],  # OS=="win"
   ],  # 'conditions'