Make the mobile welcome page the only default most visited page

BUG=138239


Review URL: https://chromiumcodereview.appspot.com/10831359

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@152023 0039d316-1c4b-4281-b951-d872f2087c98

chrome/app/resources/locale_settings.grd

@@ -350,6 +350,11 @@
       <message name="IDS_CHROME_WELCOME_URL" translateable="false">
         http://www.google.com/chrome/intl/[GRITLANGCODE]/welcome.html
       </message>
+      <if expr="pp_ifdef('android')">
+        <message name="IDS_MOBILE_WELCOME_URL" translateable="false">
+          chrome://welcome
+        </message>
+      </if>
 
       <!-- The URL for Google Chrome OS welcome page. This is used for the -->
       <!-- pre populated thumbnails. -->

chrome/browser/history/top_sites.cc

@@ -77,14 +77,20 @@ const TopSites::PrepopulatedPage kPrepopulatedPages[] = {
   { IDS_CHROMEOS_WELCOME_URL, IDS_NEW_TAB_CHROME_WELCOME_PAGE_TITLE,
     IDR_PRODUCT_LOGO_16, IDR_NEWTAB_CHROMEOS_WELCOME_PAGE_THUMBNAIL,
     SkColorSetRGB(0, 147, 60) },
+#elif defined(OS_ANDROID)
+    { IDS_MOBILE_WELCOME_URL, IDS_NEW_TAB_CHROME_WELCOME_PAGE_TITLE,
+    IDR_PRODUCT_LOGO_16, IDR_NEWTAB_CHROME_WELCOME_PAGE_THUMBNAIL,
+    SkColorSetRGB(0, 147, 60) }
 #else
   { IDS_CHROME_WELCOME_URL, IDS_NEW_TAB_CHROME_WELCOME_PAGE_TITLE,
     IDR_PRODUCT_LOGO_16, IDR_NEWTAB_CHROME_WELCOME_PAGE_THUMBNAIL,
     SkColorSetRGB(0, 147, 60) },
 #endif
+#if !defined(OS_ANDROID)
   { IDS_WEBSTORE_URL, IDS_EXTENSION_WEB_STORE_TITLE,
     IDR_WEBSTORE_ICON_16, IDR_NEWTAB_WEBSTORE_THUMBNAIL,
     SkColorSetRGB(63, 132, 197) }
+#endif
 };
 
 namespace {
@@ -102,6 +108,9 @@ class LoadThumbnailsFromHistoryTask : public HistoryDBTask {
     // l10n_util isn't thread safe, so cache for use on the db thread.
     ignore_urls_.insert(l10n_util::GetStringUTF8(IDS_CHROME_WELCOME_URL));
     ignore_urls_.insert(l10n_util::GetStringUTF8(IDS_WEBSTORE_URL));
+#if defined(OS_ANDROID)
+    ignore_urls_.insert(l10n_util::GetStringUTF8(IDS_MOBILE_WELCOME_URL));
+#endif
   }
 
   virtual bool RunOnDBThread(history::HistoryBackend* backend,

chrome/browser/history/top_sites.h

@@ -367,7 +367,11 @@ class TopSites
   DISALLOW_COPY_AND_ASSIGN(TopSites);
 };
 
+#if defined(OS_ANDROID)
+extern const TopSites::PrepopulatedPage kPrepopulatedPages[1];
+#else
 extern const TopSites::PrepopulatedPage kPrepopulatedPages[2];
+#endif
 
 }  // namespace history