Record how often we end up in Chrome from external navigations.

chrome/android/javatests/src/org/chromium/chrome/browser/externalnav/ExternalNavigationDelegateImplTest.java

Index: chrome/android/javatests/src/org/chromium/chrome/browser/externalnav/ExternalNavigationDelegateImplTest.java
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/externalnav/ExternalNavigationDelegateImplTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/externalnav/ExternalNavigationDelegateImplTest.java
index 34e320c4ec78fad6f3fc09e2042d13d87d3c9cb0..fd51d4a214b71b80cb3e4c4bda3ccc836a65845d 100644
--- a/chrome/android/javatests/src/org/chromium/chrome/browser/externalnav/ExternalNavigationDelegateImplTest.java
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/externalnav/ExternalNavigationDelegateImplTest.java
@@ -34,8 +34,8 @@ public class ExternalNavigationDelegateImplTest extends ChromeActivityTestCaseBa
     public void testIsPackageSpecializedHandler_NoResolveInfo() {
         String packageName = "";
         List<ResolveInfo> resolveInfos = new ArrayList<ResolveInfo>();
-        assertEquals(0, ExternalNavigationDelegateImpl.countSpecializedHandlersWithFilter(
-                                resolveInfos, packageName));
+        assertEquals(0, ExternalNavigationDelegateImpl.getSpecializedHandlersWithFilter(
+                                resolveInfos, packageName).size());
     }
 
     @SmallTest
@@ -44,8 +44,8 @@ public class ExternalNavigationDelegateImplTest extends ChromeActivityTestCaseBa
         ResolveInfo info = new ResolveInfo();
         info.filter = new IntentFilter();
         List<ResolveInfo> resolveInfos = makeResolveInfos(info);
-        assertEquals(0, ExternalNavigationDelegateImpl.countSpecializedHandlersWithFilter(
-                                resolveInfos, packageName));
+        assertEquals(0, ExternalNavigationDelegateImpl.getSpecializedHandlersWithFilter(
+                                resolveInfos, packageName).size());
     }
 
     @SmallTest
@@ -55,8 +55,8 @@ public class ExternalNavigationDelegateImplTest extends ChromeActivityTestCaseBa
         info.filter = new IntentFilter();
         info.filter.addDataPath("somepath", 2);
         List<ResolveInfo> resolveInfos = makeResolveInfos(info);
-        assertEquals(1, ExternalNavigationDelegateImpl.countSpecializedHandlersWithFilter(
-                                resolveInfos, packageName));
+        assertEquals(1, ExternalNavigationDelegateImpl.getSpecializedHandlersWithFilter(
+                                resolveInfos, packageName).size());
     }
 
     @SmallTest
@@ -66,8 +66,8 @@ public class ExternalNavigationDelegateImplTest extends ChromeActivityTestCaseBa
         info.filter = new IntentFilter();
         info.filter.addDataAuthority("http://www.google.com", "80");
         List<ResolveInfo> resolveInfos = makeResolveInfos(info);
-        assertEquals(1, ExternalNavigationDelegateImpl.countSpecializedHandlersWithFilter(
-                                resolveInfos, packageName));
+        assertEquals(1, ExternalNavigationDelegateImpl.getSpecializedHandlersWithFilter(
+                                resolveInfos, packageName).size());
     }
 
     @SmallTest
@@ -79,8 +79,8 @@ public class ExternalNavigationDelegateImplTest extends ChromeActivityTestCaseBa
         info.activityInfo = new ActivityInfo();
         info.activityInfo.packageName = packageName;
         List<ResolveInfo> resolveInfos = makeResolveInfos(info);
-        assertEquals(1, ExternalNavigationDelegateImpl.countSpecializedHandlersWithFilter(
-                                resolveInfos, packageName));
+        assertEquals(1, ExternalNavigationDelegateImpl.getSpecializedHandlersWithFilter(
+                                resolveInfos, packageName).size());
     }
 
     @SmallTest
@@ -92,8 +92,8 @@ public class ExternalNavigationDelegateImplTest extends ChromeActivityTestCaseBa
         info.activityInfo = new ActivityInfo();
         info.activityInfo.packageName = "com.foo.bar";
         List<ResolveInfo> resolveInfos = makeResolveInfos(info);
-        assertEquals(0, ExternalNavigationDelegateImpl.countSpecializedHandlersWithFilter(
-                                resolveInfos, packageName));
+        assertEquals(0, ExternalNavigationDelegateImpl.getSpecializedHandlersWithFilter(
+                                resolveInfos, packageName).size());
     }
 
     @SmallTest