Update content/ to use WeakPtr<T>::get() instead of implicit "operator T*"

content/browser/gpu/shader_disk_cache.cc

Index: content/browser/gpu/shader_disk_cache.cc
diff --git a/content/browser/gpu/shader_disk_cache.cc b/content/browser/gpu/shader_disk_cache.cc
index 48a76c55a6c177cecec73fd5df2389c43b0a652a..3e07572e9590dd9544b6a7e0ba08e125edc6bf3a 100644
--- a/content/browser/gpu/shader_disk_cache.cc
+++ b/content/browser/gpu/shader_disk_cache.cc
@@ -152,7 +152,7 @@ ShaderDiskCacheEntry::~ShaderDiskCacheEntry() {
 
 void ShaderDiskCacheEntry::Cache() {
   DCHECK(CalledOnValidThread());
-  if (!cache_)
+  if (!cache_.get())
     return;
 
   int rv = cache_->backend()->OpenEntry(
@@ -165,7 +165,7 @@ void ShaderDiskCacheEntry::Cache() {
 
 void ShaderDiskCacheEntry::OnOpComplete(int rv) {
   DCHECK(CalledOnValidThread());
-  if (!cache_)
+  if (!cache_.get())
     return;
 
   do {
@@ -248,14 +248,14 @@ ShaderDiskReadHelper::ShaderDiskReadHelper(
 
 void ShaderDiskReadHelper::LoadCache() {
   DCHECK(CalledOnValidThread());
-  if (!cache_)
+  if (!cache_.get())
     return;
   OnOpComplete(net::OK);
 }
 
 void ShaderDiskReadHelper::OnOpComplete(int rv) {
   DCHECK(CalledOnValidThread());
-  if (!cache_)
+  if (!cache_.get())
     return;
 
   do {