Fixing flaky overscroll and touch exploration mode browser tests.

content/public/test/browser_test_utils.h

Index: content/public/test/browser_test_utils.h
diff --git a/content/public/test/browser_test_utils.h b/content/public/test/browser_test_utils.h
index b074fb4ef2dc2530894c7e95bbaa104d4c235832..6df772df258abc96786bcc85725174e7e65df144 100644
--- a/content/public/test/browser_test_utils.h
+++ b/content/public/test/browser_test_utils.h
@@ -57,6 +57,11 @@ GURL GetFileUrlWithQuery(const base::FilePath& path,
 // tab is currently web_contents.  Otherwise returns immediately.
 void WaitForLoadStop(WebContents* web_contents);
 
+// If WebContent's view is currently being resized, this will wait for the ack
+// from the renderer that the resize is complete. If there's no resize in
+// progress, the method will return right away.
+void WaitForResizeComplete(WebContents* web_contents);
+
 // Causes the specified web_contents to crash. Blocks until it is crashed.
 void CrashTab(WebContents* web_contents);