Give GPU process a name in the task manager

BUG=52139
TEST=Enable GPU process, open task manager. Shouldn't dcheck.

Review URL: http://codereview.chromium.org/3165041

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@56864 0039d316-1c4b-4281-b951-d872f2087c98

chrome/app/generated_resources.grd

@@ -3326,6 +3326,9 @@ each locale. -->
       <message name="IDS_TASK_MANAGER_NACL_BROKER_PREFIX" desc="Task Manager row for Native Client broker, which acts as the sanbox manager for NaCl processes">
         <ph name="Native_Client">Native Client</ph> security manager
       </message>
+      <message name="IDS_TASK_MANAGER_GPU_PREFIX" desc="Task Manager row for the GPU process, which is the process doing all accelerated graphics rendering">
+        GPU Process
+      </message>
       <message name="IDS_TASK_MANAGER_NOTIFICATION_PREFIX" desc="The prefix for a Desktop Notification in the Task Manager">
         Notification: <ph name="NOTIFICATION_NAME">$1<ex>http://www.domain.com</ex></ph>
       </message>

chrome/common/child_process_info.cc

@@ -97,6 +97,8 @@ string16 ChildProcessInfo::GetLocalizedTitle() const {
     message_id = IDS_TASK_MANAGER_NACL_PREFIX;
   } else if (type_ == ChildProcessInfo::NACL_BROKER_PROCESS) {
     message_id = IDS_TASK_MANAGER_NACL_BROKER_PREFIX;
+  } else if (type_ == ChildProcessInfo::GPU_PROCESS) {
+    message_id = IDS_TASK_MANAGER_GPU_PREFIX;
   } else {
     DCHECK(false) << "Need localized name for child process type.";
     return title;