Allow overlapping sync and async startup requests

android_webview/java/src/org/chromium/android_webview/AwBrowserProcess.java

Index: android_webview/java/src/org/chromium/android_webview/AwBrowserProcess.java
diff --git a/android_webview/java/src/org/chromium/android_webview/AwBrowserProcess.java b/android_webview/java/src/org/chromium/android_webview/AwBrowserProcess.java
index 7c3ab76050d63f2521dafbd9e2263ff37d77995c..c0657a3b0e3da4658e86608042657cbbdc761d4e 100644
--- a/android_webview/java/src/org/chromium/android_webview/AwBrowserProcess.java
+++ b/android_webview/java/src/org/chromium/android_webview/AwBrowserProcess.java
@@ -5,12 +5,11 @@
 package org.chromium.android_webview;
 
 import android.content.Context;
-import android.content.SharedPreferences;
 
 import org.chromium.base.PathUtils;
 import org.chromium.base.ThreadUtils;
 import org.chromium.content.app.LibraryLoader;
-import org.chromium.content.browser.AndroidBrowserProcess;
+import org.chromium.content.browser.BrowserStartupController;
 import org.chromium.content.common.ProcessInitException;
 
 /**
@@ -46,12 +45,9 @@ public abstract class AwBrowserProcess {
         ThreadUtils.runOnUiThreadBlocking(new Runnable() {
             @Override
             public void run() {
-                try {
-                    LibraryLoader.ensureInitialized();
-                    AndroidBrowserProcess.init(context,
-                            AndroidBrowserProcess.MAX_RENDERERS_SINGLE_PROCESS);
-                } catch (ProcessInitException e) {
-                    throw new RuntimeException("Cannot initialize WebView", e);
+                if( !BrowserStartupController.get(context).startBrowserProcessesSync(
+                            BrowserStartupController.MAX_RENDERERS_SINGLE_PROCESS)) {
+                    throw new RuntimeException("Cannot initialize WebView");
                 }
             }
         });