Move SharedRendererState ownership to AwContents

android_webview/native/java_browser_view_renderer_helper.h

Index: android_webview/native/java_browser_view_renderer_helper.h
diff --git a/android_webview/native/java_browser_view_renderer_helper.h b/android_webview/native/java_browser_view_renderer_helper.h
index 874f008e2da21523303d0b4cfe95aab4c4545c6e..ed0e55f7929f5b473bc986deffcd5e0f43a8ca97 100644
--- a/android_webview/native/java_browser_view_renderer_helper.h
+++ b/android_webview/native/java_browser_view_renderer_helper.h
@@ -7,6 +7,7 @@
 
 #include <jni.h>
 
+#include "base/android/scoped_java_ref.h"
 #include "base/memory/scoped_ptr.h"
 #include "skia/ext/refptr.h"
 #include "ui/gfx/geometry/size.h"
@@ -20,7 +21,7 @@ namespace android_webview {
 class SoftwareCanvasHolder {
  public:
   static scoped_ptr<SoftwareCanvasHolder> Create(
-      jobject java_canvas,
+      const base::android::JavaRef<jobject>& java_canvas,
       const gfx::Vector2d& scroll_correction,
       const gfx::Size& auxiliary_bitmap_size,
       bool force_auxiliary_bitmap);