Remove now-unnecessary .obj() in Java method calls.

android_webview/native/java_browser_view_renderer_helper.cc

Index: android_webview/native/java_browser_view_renderer_helper.cc
diff --git a/android_webview/native/java_browser_view_renderer_helper.cc b/android_webview/native/java_browser_view_renderer_helper.cc
index 0387b58231ca1c00739c206dceb1019051b69293..8d8ee8da76627d90270529ad5d81cb3d21171b01 100644
--- a/android_webview/native/java_browser_view_renderer_helper.cc
+++ b/android_webview/native/java_browser_view_renderer_helper.cc
@@ -101,7 +101,7 @@ AuxiliaryCanvasHolder::AuxiliaryCanvasHolder(
   DCHECK(size.width() > 0);
   DCHECK(size.height() > 0);
   jbitmap_ = Java_JavaBrowserViewRendererHelper_createBitmap(
-      env, size.width(), size.height(), jcanvas_.obj());
+      env, size.width(), size.height(), jcanvas_);
   if (!jbitmap_.obj())
     return;
 
@@ -134,7 +134,7 @@ AuxiliaryCanvasHolder::~AuxiliaryCanvasHolder() {
   }
 
   Java_JavaBrowserViewRendererHelper_drawBitmapIntoCanvas(
-      env, jbitmap_.obj(), jcanvas_.obj(), scroll_.x(), scroll_.y());
+      env, jbitmap_, jcanvas_, scroll_.x(), scroll_.y());
 }
 
 SkCanvas* AuxiliaryCanvasHolder::GetCanvas() {