Added network components for blimp text input feature

blimp/net/input_message_converter.h

Index: blimp/net/input_message_converter.h
diff --git a/blimp/net/input_message_converter.h b/blimp/net/input_message_converter.h
index 53606c148f6929018980ae773f790b59caa1e7e8..7d2121687e63cf42a39d4cec1d04a948cfb83f45 100644
--- a/blimp/net/input_message_converter.h
+++ b/blimp/net/input_message_converter.h
@@ -7,7 +7,9 @@
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
+#include "blimp/common/proto/ime.pb.h"
 #include "blimp/net/blimp_net_export.h"
+#include "ui/base/ime/text_input_type.h"
 
 namespace blink {
 class WebGestureEvent;
@@ -17,9 +19,12 @@ namespace blimp {
 
 class InputMessage;
 
-// Handles creating WebGestureEvents from a stream of InputMessage protos.  This
-// class may be stateful to optimize the size of the serialized transmission
-// data.  See InputMessageConverter for the deserialize code.
+// A generic class to provide conversion utilities for protos such as :
+// 1) Creating WebGestureEvents from a stream of InputMessage protos.
+//    This class may be stateful to optimize the size of the serialized
+//    transmission
+//    data. See InputMessageConverter for the deserialize code.
+// 2) Conversion between ui::TextInputType and ImeMessage proto.
 class BLIMP_NET_EXPORT InputMessageConverter {
  public:
   InputMessageConverter();
@@ -30,6 +35,10 @@ class BLIMP_NET_EXPORT InputMessageConverter {
   scoped_ptr<blink::WebGestureEvent> ProcessMessage(
       const InputMessage& message);
 
+  // Converts a ui::TextInputType to ImeMessage proto.
+  static ImeMessage_InputType TextInputTypeToProto(ui::TextInputType type);
+  static ui::TextInputType TextInputTypeFromProto(ImeMessage_InputType type);
+
  private:
   DISALLOW_COPY_AND_ASSIGN(InputMessageConverter);
 };