Use ForceShutdown to kill old GPU process.

This is cleaner and won't cause spurious crash reports.


BUG=
TEST=


Review URL: http://codereview.chromium.org/8823005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@113462 0039d316-1c4b-4281-b951-d872f2087c98

content/browser/gpu/gpu_process_host.cc

@@ -184,8 +184,7 @@ static bool HostIsValid(int host_id, GpuProcessHost* host) {
     return true;
   }
 
-  host->Send(new GpuMsg_Crash());
-  g_hosts_by_id.Pointer()->Remove(host_id);
+  host->ForceShutdown();
   return false;
 }
 
@@ -544,6 +543,11 @@ bool GpuProcessHost::software_rendering() {
   return software_rendering_;
 }
 
+void GpuProcessHost::ForceShutdown() {
+  g_hosts_by_id.Pointer()->Remove(host_id_);
+  BrowserChildProcessHost::ForceShutdown();
+}
+
 bool GpuProcessHost::LaunchGpuProcess(const std::string& channel_id) {
   if (!gpu_enabled_ || g_gpu_crash_count >= kGpuMaxCrashCount) {
     SendOutstandingReplies();

content/browser/gpu/gpu_process_host.h

@@ -83,6 +83,8 @@ class GpuProcessHost : public BrowserChildProcessHost,
   // Whether this GPU process is set up to use software rendering.
   bool software_rendering();
 
+  void ForceShutdown();
+
  private:
   GpuProcessHost(int host_id);
   virtual ~GpuProcessHost();