Adding option for Stop/Reload in location bar for content shell.

content/shell/android/java/src/org/chromium/content_shell/Shell.java

Index: content/shell/android/java/src/org/chromium/content_shell/Shell.java
diff --git a/content/shell/android/java/src/org/chromium/content_shell/Shell.java b/content/shell/android/java/src/org/chromium/content_shell/Shell.java
index 2b63bc0273f7b3d3d7eb7982adbfc9fae9e3f297..bc870ab889c8db0da759c3f1cb559d6a7bb66380 100644
--- a/content/shell/android/java/src/org/chromium/content_shell/Shell.java
+++ b/content/shell/android/java/src/org/chromium/content_shell/Shell.java
@@ -49,6 +49,8 @@ public class Shell extends LinearLayout {
     private EditText mUrlTextView;
     private ImageButton mPrevButton;
     private ImageButton mNextButton;
+    private ImageButton mStopButton;
+    private ImageButton mReloadButton;
 
     private ClipDrawable mProgressDrawable;
 
@@ -213,6 +215,20 @@ public class Shell extends LinearLayout {
                 if (mContentViewCore.canGoForward()) mContentViewCore.goForward();
             }
         });
+        mStopButton = (ImageButton)findViewById(R.id.stop);
+        mStopButton.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (mLoading) mContentViewCore.stopLoading();
+            }
+        });
+        mReloadButton = (ImageButton)findViewById(R.id.reload);
+        mReloadButton.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                mContentViewCore.reload(true);
+            }
+        });
     }
 
     @SuppressWarnings("unused")
@@ -277,6 +293,10 @@ public class Shell extends LinearLayout {
     private void enableUiControl(int controlId, boolean enabled) {
         if (controlId == 0) mPrevButton.setEnabled(enabled);
         else if (controlId == 1) mNextButton.setEnabled(enabled);
+        else if (controlId == 2) {
+            mStopButton.setVisibility(enabled ? VISIBLE : GONE);
+            mReloadButton.setVisibility(enabled ? GONE : VISIBLE);
+        }
     }
 
     /**