Remove implicit conversions from scoped_refptr to T* in ui/

ui/gl/gl_image_ref_counted_memory.cc

Index: ui/gl/gl_image_ref_counted_memory.cc
diff --git a/ui/gl/gl_image_ref_counted_memory.cc b/ui/gl/gl_image_ref_counted_memory.cc
index e6d5ba6e4a2e4f66aa35fc33ed60baccf7c474e9..ed4e03f6a3a3ecf0866196f9825648cc5a8832b3 100644
--- a/ui/gl/gl_image_ref_counted_memory.cc
+++ b/ui/gl/gl_image_ref_counted_memory.cc
@@ -15,7 +15,7 @@ GLImageRefCountedMemory::GLImageRefCountedMemory(const gfx::Size& size,
 }
 
 GLImageRefCountedMemory::~GLImageRefCountedMemory() {
-  DCHECK(!ref_counted_memory_);
+  DCHECK(!ref_counted_memory_.get());
 }
 
 bool GLImageRefCountedMemory::Initialize(
@@ -23,7 +23,7 @@ bool GLImageRefCountedMemory::Initialize(
   if (!HasValidFormat())
     return false;
 
-  DCHECK(!ref_counted_memory_);
+  DCHECK(!ref_counted_memory_.get());
   ref_counted_memory_ = ref_counted_memory;
   GLImageMemory::Initialize(ref_counted_memory_->front());
   return true;