Move more framebuffer state out of ContextState and into FramebufferState.

gpu/command_buffer/service/framebuffer_manager.cc

Index: gpu/command_buffer/service/framebuffer_manager.cc
diff --git a/gpu/command_buffer/service/framebuffer_manager.cc b/gpu/command_buffer/service/framebuffer_manager.cc
index b4c6b090f0ff1086b586a4e788e1af79e4b8da19..aa30cd39c7a7fb0e630523fa2ecbe840b44eeec8 100644
--- a/gpu/command_buffer/service/framebuffer_manager.cc
+++ b/gpu/command_buffer/service/framebuffer_manager.cc
@@ -13,6 +13,15 @@
 namespace gpu {
 namespace gles2 {
 
+DecoderFramebufferState::DecoderFramebufferState()
+    : clear_state_dirty(false),
+      bound_read_framebuffer(NULL),
+      bound_draw_framebuffer(NULL) {
+}
+
+DecoderFramebufferState::~DecoderFramebufferState() {
+}
+
 Framebuffer::FramebufferComboCompleteMap*
     Framebuffer::framebuffer_combo_complete_map_;