Changing icu to use gyp 'copies', rather than use a rules file.
msbuild won't use the same rules files, so this blocks msbuild support.

BUG=None
TEST=None

Review URL: http://codereview.chromium.org/6648016

git-svn-id: http://src.chromium.org/svn/trunk/deps/third_party/icu46@78292 4ff67af0-8c30-449e-8e8b-ad334ec8d88c
diff --git a/icu.gyp b/icu.gyp
index 18677ed..13f8edc 100644
--- a/icu.gyp
+++ b/icu.gyp
@@ -35,7 +35,6 @@
           'target_name': 'icudata',
           'type': '<(library)',
           'sources': [
-            'windows/icudt.dll',
              # These are hand-generated, but will do for now.  The linux
              # version is an identical copy of the (mac) icudt46l_dat.S file,
              # modulo removal of the .private_extern and .const directives and
@@ -50,9 +49,14 @@
           'conditions': [
             [ 'OS == "win"', {
               'type': 'none',
-              'msvs_tool_files': ['../../build/output_dll_copy.rules'],
-            }, {  # else: OS != "win"
-              'sources!': ['windows/icudt.dll'],
+              'copies': [
+                {
+                  'destination': '<(PRODUCT_DIR)',
+                  'files': [
+                    'windows/icudt.dll',
+                  ],
+                },
+              ],
             }],
             [ 'OS != "linux" or chromeos == 1', {
               'sources!': ['linux/icudt46l_dat.S'],