Rename (Host|Client)Message to Chromoting(Host|Client)Message.

remoting/base/encoder_zlib.cc

Index: remoting/base/encoder_zlib.cc
diff --git a/remoting/base/encoder_zlib.cc b/remoting/base/encoder_zlib.cc
index 84842acaa1f0dea9940dab5a01f5a8eed33ef683..fdf8725b182cfc45e03492f76fbf50dda3ab15a1 100644
--- a/remoting/base/encoder_zlib.cc
+++ b/remoting/base/encoder_zlib.cc
@@ -48,7 +48,7 @@ void EncoderZlib::EncodeRect(CompressorZlib* compressor,
   const int bytes_per_pixel = GetBytesPerPixel(capture_data_->pixel_format());
   const int row_size = bytes_per_pixel * rect.width();
 
-  HostMessage* message = PrepareMessage(&rect);
+  ChromotingHostMessage* message = PrepareMessage(&rect);
   const uint8 * in = capture_data_->data_planes().data[0] +
                      rect.y() * strides +
                      rect.x() * bytes_per_pixel;
@@ -107,8 +107,8 @@ void EncoderZlib::EncodeRect(CompressorZlib* compressor,
   }
 }
 
-HostMessage* EncoderZlib::PrepareMessage(const gfx::Rect* rect) {
-  HostMessage* message = new HostMessage();
+ChromotingHostMessage* EncoderZlib::PrepareMessage(const gfx::Rect* rect) {
+  ChromotingHostMessage* message = new ChromotingHostMessage();
   UpdateStreamPacketMessage* packet = message->mutable_update_stream_packet();
 
   // Prepare the begin rect content.
@@ -126,7 +126,8 @@ HostMessage* EncoderZlib::PrepareMessage(const gfx::Rect* rect) {
   return message;
 }
 
-void EncoderZlib::SubmitMessage(HostMessage* message, size_t rect_index) {
+void EncoderZlib::SubmitMessage(ChromotingHostMessage* message,
+                                size_t rect_index) {
   EncodingState state = EncodingInProgress;
   if (rect_index == 0 && message->update_stream_packet().has_begin_rect())
     state |= EncodingStarting;