Make WebContentsObserver pass more calls to Java.

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

Index: content/public/android/java/src/org/chromium/content/browser/WebContentsObserver.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/WebContentsObserver.java b/content/public/android/java/src/org/chromium/content/browser/WebContentsObserver.java
index 4a98e9235754df84c9d35d6119569ba12edcfe7f..aaac6eb7db49bfffa615667df677654e9fd9e380 100644
--- a/content/public/android/java/src/org/chromium/content/browser/WebContentsObserver.java
+++ b/content/public/android/java/src/org/chromium/content/browser/WebContentsObserver.java
@@ -23,6 +23,10 @@ public abstract class WebContentsObserver {
     }
 
     @CalledByNative
+    public void renderViewReady() {
+    }
+
+    @CalledByNative
     public void renderProcessGone(boolean wasOomProtected) {
     }
 
@@ -98,6 +102,10 @@ public abstract class WebContentsObserver {
     public void didNavigateAnyFrame(String url, String baseUrl, boolean isReload) {
     }
 
+    @CalledByNative
+    public void documentAvailableInMainFrame() {

[Ted C, 2014/11/05 16:26:03]

Can you add javadoc to these new methods?

+    }
+
     /**
      * Notifies that a load is started for a given frame.
      * @param frameId A positive, non-zero integer identifying the navigating frame.