[Android] Add renderer responsiveness to the WebContentsDelegateAndroid.

BUG=225510
NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/13843030

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@196419 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 35 insertions, 0 deletions

diff --git a/components/web_contents_delegate_android/android/java/src/org/chromium/components/web_contents_delegate_android/WebContentsDelegateAndroid.java b/components/web_contents_delegate_android/android/java/src/org/chromium/components/web_contents_delegate_android/WebContentsDelegateAndroid.java
index baedee2..9769985 100644
--- a/components/web_contents_delegate_android/android/java/src/org/chromium/components/web_contents_delegate_android/WebContentsDelegateAndroid.java
+++ b/components/web_contents_delegate_android/android/java/src/org/chromium/components/web_contents_delegate_android/WebContentsDelegateAndroid.java
@@ -66,9 +66,26 @@ public class WebContentsDelegateAndroid {
         onLoadProgressChanged(mMostRecentProgress);
     }
 
+    /**
+     * @param progress The load progress [0, 100] for the current web contents.
+     */
     public void onLoadProgressChanged(int progress) {
     }
 
+    /**
+     * Signaled when the renderer has been deemed to be unresponsive.
+     */
+    @CalledByNative
+    public void rendererUnresponsive() {
+    }
+
+    /**
+     * Signaled when the render has been deemed to be responsive.
+     */
+    @CalledByNative
+    public void rendererResponsive() {
+    }
+
     @CalledByNative
     public void onUpdateUrl(String url) {
     }
diff --git a/components/web_contents_delegate_android/web_contents_delegate_android.cc b/components/web_contents_delegate_android/web_contents_delegate_android.cc
index 1e09f2f..d2c6e97 100644
--- a/components/web_contents_delegate_android/web_contents_delegate_android.cc
+++ b/components/web_contents_delegate_android/web_contents_delegate_android.cc
@@ -168,6 +168,22 @@ void WebContentsDelegateAndroid::LoadProgressChanged(WebContents* source,
       progress);
 }
 
+void WebContentsDelegateAndroid::RendererUnresponsive(WebContents* source) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
+  if (obj.is_null())
+    return;
+  Java_WebContentsDelegateAndroid_rendererUnresponsive(env, obj.obj());
+}
+
+void WebContentsDelegateAndroid::RendererResponsive(WebContents* source) {
+  JNIEnv* env = AttachCurrentThread();
+  ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
+  if (obj.is_null())
+    return;
+  Java_WebContentsDelegateAndroid_rendererResponsive(env, obj.obj());
+}
+
 void WebContentsDelegateAndroid::CloseContents(WebContents* source) {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = GetJavaDelegate(env);
diff --git a/components/web_contents_delegate_android/web_contents_delegate_android.h b/components/web_contents_delegate_android/web_contents_delegate_android.h
index dd26ba4..ec90ac3 100644
--- a/components/web_contents_delegate_android/web_contents_delegate_android.h
+++ b/components/web_contents_delegate_android/web_contents_delegate_android.h
@@ -69,6 +69,8 @@ class WebContentsDelegateAndroid : public content::WebContentsDelegate {
   virtual void LoadingStateChanged(content::WebContents* source) OVERRIDE;
   virtual void LoadProgressChanged(content::WebContents* source,
                                    double load_progress) OVERRIDE;
+  virtual void RendererUnresponsive(content::WebContents* source) OVERRIDE;
+  virtual void RendererResponsive(content::WebContents* source) OVERRIDE;
   virtual void CloseContents(content::WebContents* source) OVERRIDE;
   virtual void MoveContents(content::WebContents* source,
                             const gfx::Rect& pos) OVERRIDE;