Move PostMessageToFrame to WebContentsAndroid

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

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
index f3a1da8075085b2ef5df4884041e005c68163f85..bcf0f0220d4f30accf2826203a441d78f7d18c1b 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewCore.java
@@ -1181,8 +1181,8 @@ public class ContentViewCore
      */
     public void postMessageToFrame(String frameName, String message,

[Ted C, 2014/10/21 21:36:57]

I don't see any callers to this function outside of a test.  It should be
removed and people should call web contents directly.

[sgurun-gerrit only, 2014/10/21 23:43:35]

Done.

             String sourceOrigin, String targetOrigin) {
-        if (mNativeContentViewCore == 0) return;
-        nativePostMessageToFrame(mNativeContentViewCore, frameName, message, sourceOrigin,
+        assert mWebContents != null;
+        mWebContents.postMessageToFrame(frameName, message, sourceOrigin,
                 targetOrigin);
     }
 
@@ -2908,9 +2908,6 @@ public class ContentViewCore
             long nativeSelectPopupSourceFrame, int[] indices);
 
 
-    private native void nativePostMessageToFrame(long nativeContentViewCoreImpl, String frameId,
-            String message, String sourceOrigin, String targetOrigin);
-
     private native long nativeGetNativeImeAdapter(long nativeContentViewCoreImpl);
 
     private native int nativeGetCurrentRenderProcessId(long nativeContentViewCoreImpl);