Remove implicit conversions from scoped_refptr to T* in content/

content/browser/renderer_host/compositing_iosurface_mac.mm

Index: content/browser/renderer_host/compositing_iosurface_mac.mm
diff --git a/content/browser/renderer_host/compositing_iosurface_mac.mm b/content/browser/renderer_host/compositing_iosurface_mac.mm
index 6dfdbcc10de5f2211bdd0d66e6272f04d11ea637..ba67fc9df6f78f63efd6ca872d4dfeaf9085b592 100644
--- a/content/browser/renderer_host/compositing_iosurface_mac.mm
+++ b/content/browser/renderer_host/compositing_iosurface_mac.mm
@@ -50,7 +50,7 @@ scoped_refptr<CompositingIOSurfaceMac> CompositingIOSurfaceMac::Create() {
   scoped_refptr<CompositingIOSurfaceContext> offscreen_context =
       CompositingIOSurfaceContext::Get(
           CompositingIOSurfaceContext::kOffscreenContextWindowNumber);
-  if (!offscreen_context) {
+  if (!offscreen_context.get()) {
     LOG(ERROR) << "Failed to create context for offscreen operations";
     return NULL;
   }
@@ -67,7 +67,7 @@ CompositingIOSurfaceMac::CompositingIOSurfaceMac(
       gl_error_(GL_NO_ERROR),
       eviction_queue_iterator_(eviction_queue_.Get().end()),
       eviction_has_been_drawn_since_updated_(false) {
-  CHECK(offscreen_context_);
+  CHECK(offscreen_context_.get());
 }
 
 CompositingIOSurfaceMac::~CompositingIOSurfaceMac() {