Fix WebView compositor input handling

android_webview/browser/in_process_renderer/in_process_view_renderer.h

Index: android_webview/browser/in_process_renderer/in_process_view_renderer.h
diff --git a/android_webview/browser/in_process_renderer/in_process_view_renderer.h b/android_webview/browser/in_process_renderer/in_process_view_renderer.h
index 5aa3b4a40c479a0d5a0f609fa66ee7cb6e170dc8..a51dd1859b6ef0a61b6608a0facbe3e1fc67501b 100644
--- a/android_webview/browser/in_process_renderer/in_process_view_renderer.h
+++ b/android_webview/browser/in_process_renderer/in_process_view_renderer.h
@@ -8,13 +8,19 @@
 #include "android_webview/browser/browser_view_renderer_impl.h"
 
 #include "base/memory/weak_ptr.h"
+#include "content/public/common/input_event_ack_state.h"
 #include "content/public/renderer/android/synchronous_compositor_client.h"
 
 namespace content {
 class SynchronousCompositor;
+class SynchronousInputEventHandler;
 class WebContents;
 }
 
+namespace WebKit {
+class WebInputEvent;
+}
+
 namespace android_webview {
 
 // Provides RenderViewHost wrapper functionality for sending WebView-specific
@@ -32,6 +38,8 @@ class InProcessViewRenderer : public BrowserViewRenderer,
       int render_process_id, int render_view_id);
   void BindSynchronousCompositor(
       content::SynchronousCompositor* compositor);
+  void BindSynchronousInputEventHandler(
+      content::SynchronousInputEventHandler* input_event_handler);
 
   // BrowserViewRenderer overrides
   virtual void SetContents(
@@ -65,11 +73,16 @@ class InProcessViewRenderer : public BrowserViewRenderer,
                       const gfx::Rect& clip_bounds);
   bool RenderSW(SkCanvas* canvas);
   bool CompositeSW(SkCanvas* canvas);
+  content::InputEventAckState HandleInputEvent(
+      int routing_id,
+      const WebKit::WebInputEvent& input_event);
 
   BrowserViewRenderer::Client* client_;
   BrowserViewRenderer::JavaHelper* java_helper_;
+  content::ContentViewCore* content_view_core_;
   content::WebContents* web_contents_;
   content::SynchronousCompositor* compositor_;
+  content::SynchronousInputEventHandler* input_event_handler_;
 
   bool view_visible_;