Update Java Bridge to use its own thread in the browser process

content/browser/renderer_host/java/java_bridge_dispatcher_host.cc

Index: content/browser/renderer_host/java/java_bridge_dispatcher_host.cc
diff --git a/content/browser/renderer_host/java/java_bridge_dispatcher_host.cc b/content/browser/renderer_host/java/java_bridge_dispatcher_host.cc
index b923fc2c7ff8aeabae8ed0b7304951b7182bac8c..58c4a2a7a956e3460fe5bb2701e5e6fb4d8e74eb 100644
--- a/content/browser/renderer_host/java/java_bridge_dispatcher_host.cc
+++ b/content/browser/renderer_host/java/java_bridge_dispatcher_host.cc
@@ -62,17 +62,11 @@ bool JavaBridgeDispatcherHost::OnMessageReceived(const IPC::Message& msg) {
 }
 
 void JavaBridgeDispatcherHost::OnGetChannelHandle(IPC::Message* reply_msg) {
-  // In renderer-in-process mode, this sync IPC is coming from the WEBKIT
-  // thread, so we can't post to the WEBKIT thread.
-  if (RenderProcessHost::run_renderer_in_process()) {
-    GetChannelHandle(reply_msg);
-  } else {
-    BrowserThread::PostTask(
-        BrowserThread::WEBKIT,
-        FROM_HERE,
-        base::Bind(&JavaBridgeDispatcherHost::GetChannelHandle, this,
-                   reply_msg));
-  }
+  BrowserThread::PostTask(
+       BrowserThread::JAVA_BRIDGE,
+       FROM_HERE,
+       base::Bind(&JavaBridgeDispatcherHost::GetChannelHandle, this,
+                  reply_msg));
 }
 
 void JavaBridgeDispatcherHost::GetChannelHandle(IPC::Message* reply_msg) {
@@ -87,14 +81,14 @@ void JavaBridgeDispatcherHost::GetChannelHandle(IPC::Message* reply_msg) {
 
 void JavaBridgeDispatcherHost::CreateNPVariantParam(NPObject* object,
                                                     NPVariant_Param* param) {
-  // The JavaBridgeChannelHost needs to be created on the WEBKIT thread, as
+  // The JavaBridgeChannelHost needs to be created on the JAVA_BRIDGE thread, as
   // that is where Java objects will live, and CreateNPVariantParam() needs the
   // channel to create the NPObjectStub. To avoid blocking here until the
   // channel is ready, create the NPVariant_Param by hand, then post a message
-  // to the WEBKIT thread to set up the channel and create the corresponding
-  // NPObjectStub. Post that message before doing any IPC, to make sure that
-  // the channel and object proxies are ready before responses are received
-  // from the renderer.
+  // to the JAVA_BRIDGE thread to set up the channel and create the
+  // corresponding NPObjectStub. Post that message before doing any IPC, to
+  // make sure that the channel and object proxies are ready before responses
+  // are received from the renderer.
 
   // Create an NPVariantParam suitable for serialization over IPC from our
   // NPVariant. See CreateNPVariantParam() in npobject_utils.
@@ -104,7 +98,7 @@ void JavaBridgeDispatcherHost::CreateNPVariantParam(NPObject* object,
 
   WebKit::WebBindings::retainObject(object);
   BrowserThread::PostTask(
-      BrowserThread::WEBKIT,
+      BrowserThread::JAVA_BRIDGE,
       FROM_HERE,
       base::Bind(&JavaBridgeDispatcherHost::CreateObjectStub, this, object,
                  route_id));
@@ -112,7 +106,7 @@ void JavaBridgeDispatcherHost::CreateNPVariantParam(NPObject* object,
 
 void JavaBridgeDispatcherHost::CreateObjectStub(NPObject* object,
                                                 int route_id) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT));
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::JAVA_BRIDGE));
 
   if (!channel_) {
     channel_ = JavaBridgeChannelHost::GetJavaBridgeChannelHost(