Fix splash screen tests by adding rounding slop.

BUG=529543

Review URL: https://codereview.chromium.org/1310663007

Cr-Commit-Position: refs/heads/master@{#347869}

chrome/android/javatests/src/org/chromium/chrome/browser/banners/AppBannerManagerTest.java

@@ -558,7 +558,11 @@ public class AppBannerManagerTest extends ChromeTabbedActivityTestBase {
         // Test that bitmap sizes match expectations.
         int idealSize = getActivity().getResources().getDimensionPixelSize(
                 R.dimen.webapp_splash_image_size);
-        assertEquals(idealSize, dataStorageFactory.mSplashImage.getWidth());
-        assertEquals(idealSize, dataStorageFactory.mSplashImage.getHeight());
+        assertTrue("Expected width: " + idealSize + ", Actual: "
+                + dataStorageFactory.mSplashImage.getWidth(),
+                Math.abs(idealSize - dataStorageFactory.mSplashImage.getWidth()) <= 1);
+        assertTrue("Expected height: " + idealSize + ", Actual: "
+                + dataStorageFactory.mSplashImage.getHeight(),
+                Math.abs(idealSize - dataStorageFactory.mSplashImage.getHeight()) <= 1);
     }
 }

chrome/android/javatests/src/org/chromium/chrome/browser/webapps/AddToHomescreenDialogHelperTest.java

@@ -212,8 +212,12 @@ public class AddToHomescreenDialogHelperTest extends ChromeActivityTestCaseBase<
         // Test that bitmap sizes match expectations.
         int idealSize = mActivity.getResources().getDimensionPixelSize(
                 R.dimen.webapp_splash_image_size);
-        assertEquals(idealSize, dataStorageFactory.mSplashImage.getWidth());
-        assertEquals(idealSize, dataStorageFactory.mSplashImage.getHeight());
+        assertTrue("Expected width: " + idealSize + ", Actual: "
+                + dataStorageFactory.mSplashImage.getWidth(),
+                Math.abs(idealSize - dataStorageFactory.mSplashImage.getWidth()) <= 1);
+        assertTrue("Expected height: " + idealSize + ", Actual: "
+                + dataStorageFactory.mSplashImage.getHeight(),
+                Math.abs(idealSize - dataStorageFactory.mSplashImage.getHeight()) <= 1);
     }
 
     private void addShortcutToURL(String url, final String expectedPageTitle, final String title)