Implemented typo recognition in Chrome for Android.

chrome/browser/spellchecker/spellcheck_message_filter_platform_android.cc

Index: chrome/browser/spellchecker/spellcheck_message_filter_platform_android.cc
diff --git a/chrome/browser/spellchecker/spellcheck_message_filter_platform_android.cc b/chrome/browser/spellchecker/spellcheck_message_filter_platform_android.cc
index 4c7a6c8c2239632cf080c976e6c18a63d524d54b..5f01e27be16be48214687c7289433e18bb19edf5 100644
--- a/chrome/browser/spellchecker/spellcheck_message_filter_platform_android.cc
+++ b/chrome/browser/spellchecker/spellcheck_message_filter_platform_android.cc
@@ -4,6 +4,7 @@
 
 #include "chrome/browser/spellchecker/spellcheck_message_filter_platform.h"
 
+#include "chrome/browser/spellchecker/spellchecker_session_bridge_android.h"
 #include "chrome/common/spellcheck_messages.h"
 #include "chrome/common/spellcheck_result.h"
 #include "content/public/browser/browser_thread.h"
@@ -13,16 +14,23 @@ using content::BrowserThread;
 SpellCheckMessageFilterPlatform::SpellCheckMessageFilterPlatform(
     int render_process_id)
     : BrowserMessageFilter(SpellCheckMsgStart),
-      render_process_id_(render_process_id) {
-}
+      render_process_id_(render_process_id),
+      impl_(new SpellCheckerSessionBridge(render_process_id)) {}
 
 void SpellCheckMessageFilterPlatform::OverrideThreadForMessage(
     const IPC::Message& message, BrowserThread::ID* thread) {
+  if (message.type() == SpellCheckHostMsg_RequestTextCheck::ID)
+    *thread = BrowserThread::UI;
 }
 
 bool SpellCheckMessageFilterPlatform::OnMessageReceived(
     const IPC::Message& message) {
-    return true;
+  bool handled = true;
+  IPC_BEGIN_MESSAGE_MAP(SpellCheckMessageFilterPlatform, message)
+    IPC_MESSAGE_HANDLER(SpellCheckHostMsg_RequestTextCheck, OnRequestTextCheck)
+    IPC_MESSAGE_UNHANDLED(handled = false)
+  IPC_END_MESSAGE_MAP()
+  return handled;
 }
 
 // static
@@ -56,13 +64,17 @@ void SpellCheckMessageFilterPlatform::OnRequestTextCheck(
     int identifier,
     const base::string16& text,
     std::vector<SpellCheckMarker> markers) {
+  DCHECK(!text.empty());
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
+
+  impl_->RequestTextCheck(route_id, identifier, text);
 }
 
 int SpellCheckMessageFilterPlatform::ToDocumentTag(int route_id) {
-    NOTREACHED();
-    return -1;
+  NOTREACHED();
+  return -1;
 }
 
 void SpellCheckMessageFilterPlatform::RetireDocumentTag(int route_id) {
-    NOTREACHED();
+  NOTREACHED();
 }