Extract shouldPropagateKey method from ContentViewClient.

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

Index: content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java b/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
index 7885f3ccfcdb685598da2e49da39e56ae646fbc8..81825090adeb07caa1924cdc56684c2637a75c5e 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentViewClient.java
@@ -53,27 +53,8 @@ public class ContentViewClient {
 
     public boolean shouldOverrideKeyEvent(KeyEvent event) {
         int keyCode = event.getKeyCode();
-        // We need to send almost every key to WebKit. However:
-        // 1. We don't want to block the device on the renderer for
-        // some keys like menu, home, call.
-        // 2. There are no WebKit equivalents for some of these keys
-        // (see app/keyboard_codes_win.h)
-        // Note that these are not the same set as KeyEvent.isSystemKey:
-        // for instance, AKEYCODE_MEDIA_* will be dispatched to webkit.
-        if (keyCode == KeyEvent.KEYCODE_MENU ||
-            keyCode == KeyEvent.KEYCODE_HOME ||
-            keyCode == KeyEvent.KEYCODE_BACK ||
-            keyCode == KeyEvent.KEYCODE_CALL ||
-            keyCode == KeyEvent.KEYCODE_ENDCALL ||
-            keyCode == KeyEvent.KEYCODE_POWER ||
-            keyCode == KeyEvent.KEYCODE_HEADSETHOOK ||
-            keyCode == KeyEvent.KEYCODE_CAMERA ||
-            keyCode == KeyEvent.KEYCODE_FOCUS ||
-            keyCode == KeyEvent.KEYCODE_VOLUME_DOWN ||
-            keyCode == KeyEvent.KEYCODE_VOLUME_MUTE ||
-            keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
-            return true;
-        }
+
+        if (!shouldPropagateKey(keyCode)) return true;
 
         // We also have to intercept some shortcuts before we send them to the ContentView.
         if (event.isCtrlPressed() && (
@@ -180,4 +161,31 @@ public class ContentViewClient {
         return false;
     }
 
+    /**
+     * Check whether a key should be propagated to the embedder or not.
+     * We need to send almost every key to Blink. However:
+     * 1. We don't want to block the device on the renderer for
+     * some keys like menu, home, call.
+     * 2. There are no WebKit equivalents for some of these keys
+     * (see app/keyboard_codes_win.h)
+     * Note that these are not the same set as KeyEvent.isSystemKey:
+     * for instance, AKEYCODE_MEDIA_* will be dispatched to webkit*.
+     */
+    public static boolean shouldPropagateKey(int keyCode) {
+        if (keyCode == KeyEvent.KEYCODE_MENU ||
+            keyCode == KeyEvent.KEYCODE_HOME ||
+            keyCode == KeyEvent.KEYCODE_BACK ||
+            keyCode == KeyEvent.KEYCODE_CALL ||
+            keyCode == KeyEvent.KEYCODE_ENDCALL ||
+            keyCode == KeyEvent.KEYCODE_POWER ||
+            keyCode == KeyEvent.KEYCODE_HEADSETHOOK ||
+            keyCode == KeyEvent.KEYCODE_CAMERA ||
+            keyCode == KeyEvent.KEYCODE_FOCUS ||
+            keyCode == KeyEvent.KEYCODE_VOLUME_DOWN ||
+            keyCode == KeyEvent.KEYCODE_VOLUME_MUTE ||
+            keyCode == KeyEvent.KEYCODE_VOLUME_UP) {
+            return false;
+        }
+        return true;
+    }
 }