Update SxS/Exp channel name to final name "Canary".

BUG=37129,38334
TEST=install sxs, check about box, about:version, start menu shortcut name

Review URL: http://codereview.chromium.org/2753003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@49352 0039d316-1c4b-4281-b951-d872f2087c98

chrome/app/google_chrome_strings.grd

@@ -176,7 +176,7 @@ Chrome supports. -->
         Google Chrome
       </message>
       <message name="IDS_SXS_SHORTCUT_NAME" desc="The Chrome short cut name for SxS channel">
-        Google Chrome Exp
+        Google Chrome Canary
       </message>
       <message name="IDS_PRODUCT_DESCRIPTION" desc="Browser description">
         Google Chrome is a web browser that runs web pages and applications with lightning speed. It's fast, stable, and easy to use. Browse the web more safely with malware and phishing protection built into Google Chrome.

chrome/installer/util/google_chrome_sxs_distribution.cc

@@ -11,7 +11,7 @@
 namespace {
 
 const wchar_t kChromeSxSGuid[] = L"{4ea16ac7-fd5a-47c3-875b-dbf4a2008c20}";
-const wchar_t kChannelName[] = L"SxS";
+const wchar_t kChannelName[] = L"canary";
 const int kSxSIconIndex = 4;
 
 }  // namespace