Throw exception when initialization failed.

content/public/android/java/src/org/chromium/content/browser/AndroidBrowserProcess.java

Index: content/public/android/java/src/org/chromium/content/browser/AndroidBrowserProcess.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/AndroidBrowserProcess.java b/content/public/android/java/src/org/chromium/content/browser/AndroidBrowserProcess.java
index 6f62a71c015f8dddacbb719c27e437c21207f53e..43add5d642e049803eacfac73e7339d7deac85d4 100644
--- a/content/public/android/java/src/org/chromium/content/browser/AndroidBrowserProcess.java
+++ b/content/public/android/java/src/org/chromium/content/browser/AndroidBrowserProcess.java
@@ -69,7 +69,8 @@ public class AndroidBrowserProcess {
      * @param maxRendererProcesses See ContentView.enableMultiProcess().
      * @return Whether the process actually needed to be initialized (false if already running).
      */
-    public static boolean initContentViewProcess(Context context, int maxRendererProcesses) {
+    public static boolean initContentViewProcess(Context context, int maxRendererProcesses)
+            throws AndroidBrowserProcessInitException {
         return genericChromiumProcessInit(context, maxRendererProcesses, false);
     }
 
@@ -81,7 +82,8 @@ public class AndroidBrowserProcess {
      * @param maxRendererProcesses See ContentView.enableMultiProcess().
      * @return Whether the process actually needed to be initialized (false if already running).
      */
-    public static boolean initChromiumBrowserProcess(Context context, int maxRendererProcesses) {
+    public static boolean initChromiumBrowserProcess(Context context, int maxRendererProcesses)
+            throws AndroidBrowserProcessInitException {
         return genericChromiumProcessInit(context, maxRendererProcesses, true);
     }
 
@@ -93,7 +95,7 @@ public class AndroidBrowserProcess {
      * @return Whether the process actually needed to be initialized (false if already running).
      */
     private static boolean genericChromiumProcessInit(Context context, int maxRendererProcesses,
-            boolean hostIsChrome) {
+            boolean hostIsChrome) throws AndroidBrowserProcessInitException {
         if (sInitialized) return false;
         sInitialized = true;
 
@@ -156,7 +158,9 @@ public class AndroidBrowserProcess {
 
         nativeSetCommandLineFlags(maxRenderers);
         ContentMain.initApplicationContext(appContext);
-        ContentMain.start();
+        int result = ContentMain.start();
+        if (result >= 0)
+            throw new AndroidBrowserProcessInitException(result);
         return true;
     }