Enable gesture events handling on Android.

content/browser/android/content_view_core_impl.h

Index: content/browser/android/content_view_core_impl.h
diff --git a/content/browser/android/content_view_core_impl.h b/content/browser/android/content_view_core_impl.h
index 3e04591a08e8dd8d3bd9faa9d290f7da13f5ca53..a285a265e00b0bd4046677afe449a93f29dbb3f2 100644
--- a/content/browser/android/content_view_core_impl.h
+++ b/content/browser/android/content_view_core_impl.h
@@ -13,10 +13,12 @@
 #include "base/i18n/rtl.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process.h"
+#include "content/browser/renderer_host/render_widget_host_view_android.h"
 #include "content/public/browser/android/content_view_core.h"
 #include "content/public/browser/notification_observer.h"
 #include "googleurl/src/gurl.h"
 #include "ui/gfx/rect.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/WebInputEvent.h"
 
 struct WebMenuItem;
 
@@ -56,6 +58,31 @@ class ContentViewCoreImpl : public ContentViewCore,
       JNIEnv* env, jobject obj) const;
   jboolean IsIncognito(JNIEnv* env, jobject obj);
   jboolean Crashed(JNIEnv* env, jobject obj) const { return tab_crashed_; }
+
+  jboolean TouchEvent(JNIEnv* env, jobject obj, jlong time_ms, jint type,
+                      jobjectArray pts);
+
+  void ScrollBegin(JNIEnv* env, jobject obj, jlong time_ms,
+                   jint x, jint y);
+  void ScrollEnd(JNIEnv* env, jobject obj, jlong time_ms);
+  void ScrollBy(JNIEnv* env, jobject obj, jlong time_ms,
+                jint dx, jint dy);
+  void FlingStart(JNIEnv* env, jobject obj, jlong time_ms,
+                  jint x, jint y, jint vx, jint vy);
+  void FlingCancel(JNIEnv* env, jobject obj, jlong time_ms);
+  void SingleTap(JNIEnv* env, jobject obj, jlong time_ms,
+                 jint x, jint y, jboolean link_preview_tap);
+  void ShowPressState(JNIEnv* env, jobject obj, jlong time_ms,
+                      jint x, jint y);
+  void DoubleTap(JNIEnv* env, jobject obj, jlong time_ms,
+                 jint x, jint y) ;
+  void LongPress(JNIEnv* env, jobject obj, jlong time_ms,
+                 jint x, jint y, jboolean link_preview_tap);
+  void PinchBegin(JNIEnv* env, jobject obj, jlong time_ms,
+                  jint x, jint y);
+  void PinchEnd(JNIEnv* env, jobject obj, jlong time_ms);
+  void PinchBy(JNIEnv* env, jobject obj, jlong time_ms,
+               jint x, jint y, jfloat delta);
   jboolean CanGoBack(JNIEnv* env, jobject obj);
   jboolean CanGoForward(JNIEnv* env, jobject obj);
   jboolean CanGoToOffset(JNIEnv* env, jobject obj, jint offset);
@@ -85,6 +112,8 @@ class ContentViewCoreImpl : public ContentViewCore,
   void SetTitle(const string16& title);
 
   bool HasFocus();
+  void ConfirmTouchEvent(bool handled) OVERRIDE;
+  void DidSetNeedTouchEvents(bool need_touch_events) OVERRIDE;
   void OnSelectionChanged(const std::string& text);
   void OnSelectionBoundsChanged(int startx,
                                 int starty,
@@ -131,6 +160,12 @@ class ContentViewCoreImpl : public ContentViewCore,
 
   void InitJNI(JNIEnv* env, jobject obj);
 
+  RenderWidgetHostViewAndroid* GetRenderWidgetHostViewAndroid();
+
+  void SendGestureEvent(WebKit::WebInputEvent::Type type, long time_ms,
+                        int x, int y,
+                        float dx, float dy, bool link_preview_tap);
+
   void PostLoadUrl(const GURL& url);
 
   struct JavaObject;