[Android WebView] Implement WebSettings.{get|set}UseWideViewport

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

Index: content/public/android/java/src/org/chromium/content/browser/ContentSettings.java
diff --git a/content/public/android/java/src/org/chromium/content/browser/ContentSettings.java b/content/public/android/java/src/org/chromium/content/browser/ContentSettings.java
index 7569758a650f63aa78363fa0dfcbc44e579d3dc8..ceb2f88420555f684831594eaa32f84a928096f2 100644
--- a/content/public/android/java/src/org/chromium/content/browser/ContentSettings.java
+++ b/content/public/android/java/src/org/chromium/content/browser/ContentSettings.java
@@ -90,6 +90,7 @@ public class ContentSettings {
     private PluginState mPluginState = PluginState.OFF;
     private boolean mAppCacheEnabled = false;
     private boolean mDomStorageEnabled = false;
+    private boolean mUseWideViewport = false;
 
     // Not accessed by the native side.
     private boolean mSupportZoom = true;
@@ -995,6 +996,40 @@ public class ContentSettings {
     }
 
     /**
+     * Sets whether the WebView should enable support for the "viewport"
+     * HTML meta tag or should use a wide viewport.
+     * When the value of the setting is false, the layout width is always set to the
+     * width of the WebView control in device-independent (CSS) pixels.
+     * When the value is true and the page contains the viewport meta tag, the value
+     * of the width specified in the tag is used. If the page does not contain the tag or
+     * does not provide a width, then a wide viewport will be used.
+     *
+     * @param use whether to enable support for the viewport meta tag
+     */
+    public void setUseWideViewPort(boolean use) {
+        assert mCanModifySettings;
+        synchronized (mContentSettingsLock) {
+            if (mUseWideViewport != use) {
+                mUseWideViewport = use;
+                mEventHandler.syncSettingsLocked();
+            }
+        }
+    }
+
+    /**
+     * Gets whether the WebView supports the "viewport"
+     * HTML meta tag or will use a wide viewport.
+     *
+     * @return true if the WebView supports the viewport meta tag
+     * @see #setUseWideViewPort
+     */
+    public boolean getUseWideViewPort() {
+        synchronized (mContentSettingsLock) {
+            return mUseWideViewport;
+        }
+    }
+
+    /**
      * Sets whether the Application Caches API should be enabled. The default
      * is false. Note that in order for the Application Caches API to be
      * enabled, a non-empty database path must also be supplied to