Update gpu/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

gpu/config/gpu_info_collector.cc

Index: gpu/config/gpu_info_collector.cc
diff --git a/gpu/config/gpu_info_collector.cc b/gpu/config/gpu_info_collector.cc
index e141e577e55652a6a1b1f42d2d536b0819cc2dc6..7540dd86e433c3c50f6d1aca688ebab5e3f19326 100644
--- a/gpu/config/gpu_info_collector.cc
+++ b/gpu/config/gpu_info_collector.cc
@@ -23,7 +23,7 @@ namespace {
 scoped_refptr<gfx::GLSurface> InitializeGLSurface() {
   scoped_refptr<gfx::GLSurface> surface(
       gfx::GLSurface::CreateOffscreenGLSurface(false, gfx::Size(1, 1)));
-  if (!surface) {
+  if (!surface.get()) {
     LOG(ERROR) << "gfx::GLContext::CreateOffscreenGLSurface failed";
     return NULL;
   }
@@ -37,7 +37,7 @@ scoped_refptr<gfx::GLContext> InitializeGLContext(gfx::GLSurface* surface) {
       gfx::GLContext::CreateGLContext(NULL,
                                       surface,
                                       gfx::PreferIntegratedGpu));
-  if (!context) {
+  if (!context.get()) {
     LOG(ERROR) << "gfx::GLContext::CreateGLContext failed";
     return NULL;
   }
@@ -88,11 +88,11 @@ bool CollectGraphicsInfoGL(GPUInfo* gpu_info) {
   }
 
   scoped_refptr<gfx::GLSurface> surface(InitializeGLSurface());
-  if (!surface)
+  if (!surface.get())
     return false;
 
   scoped_refptr<gfx::GLContext> context(InitializeGLContext(surface.get()));
-  if (!context)
+  if (!context.get())
     return false;
 
   gpu_info->gl_renderer = GetGLString(GL_RENDERER);