Fixing flaky overscroll and touch exploration mode browser tests.

chrome/test/base/in_process_browser_test.cc

Index: chrome/test/base/in_process_browser_test.cc
diff --git a/chrome/test/base/in_process_browser_test.cc b/chrome/test/base/in_process_browser_test.cc
index 82c0706dda5ab9cfdcbf5fe43d4da28166e836fc..b6841f44ac1027f15a862edd2803748bfb95405f 100644
--- a/chrome/test/base/in_process_browser_test.cc
+++ b/chrome/test/base/in_process_browser_test.cc
@@ -392,8 +392,10 @@ void InProcessBrowserTest::RunTestOnMainThreadLoop() {
     if (browser_->window()->IsMaximized())
       browser_->window()->Restore();
 #endif
-    content::WaitForLoadStop(
-        browser_->tab_strip_model()->GetActiveWebContents());
+    content::WebContents* web_contents =
+        browser_->tab_strip_model()->GetActiveWebContents();
+    content::WaitForLoadStop(web_contents);
+    content::WaitForResizeComplete(web_contents);
   }
 
 #if !defined(OS_ANDROID) && !defined(OS_IOS)