gpu: Remove map_image field from gpu::Capabilities.

gpu/command_buffer/service/gpu_control_service.cc

Index: gpu/command_buffer/service/gpu_control_service.cc
diff --git a/gpu/command_buffer/service/gpu_control_service.cc b/gpu/command_buffer/service/gpu_control_service.cc
index 893b872c0c7cab8c6438cb458fd7081d5516a982..cd36b01e882b3970f6316bb795db5301a564a6cf 100644
--- a/gpu/command_buffer/service/gpu_control_service.cc
+++ b/gpu/command_buffer/service/gpu_control_service.cc
@@ -15,24 +15,16 @@ GpuControlService::GpuControlService(
     GpuMemoryBufferManagerInterface* gpu_memory_buffer_manager,
     GpuMemoryBufferFactory* gpu_memory_buffer_factory,
     gles2::MailboxManager* mailbox_manager,
-    gles2::QueryManager* query_manager,
-    const gpu::Capabilities& decoder_capabilities)
+    gles2::QueryManager* query_manager)
     : gpu_memory_buffer_manager_(gpu_memory_buffer_manager),
       gpu_memory_buffer_factory_(gpu_memory_buffer_factory),
       mailbox_manager_(mailbox_manager),
-      query_manager_(query_manager),
-      capabilities_(decoder_capabilities) {
-  capabilities_.map_image =
-      gpu_memory_buffer_manager_ && gpu_memory_buffer_factory_;
+      query_manager_(query_manager) {
 }
 
 GpuControlService::~GpuControlService() {
 }
 
-gpu::Capabilities GpuControlService::GetCapabilities() {
-  return capabilities_;
-}
-
 gfx::GpuMemoryBuffer* GpuControlService::CreateGpuMemoryBuffer(
     size_t width,
     size_t height,
@@ -40,7 +32,7 @@ gfx::GpuMemoryBuffer* GpuControlService::CreateGpuMemoryBuffer(
     int32* id) {
   *id = -1;
 
-  CHECK(gpu_memory_buffer_factory_) << "No GPU memory buffer factory provided";
+  DCHECK(gpu_memory_buffer_factory_);
   linked_ptr<gfx::GpuMemoryBuffer> buffer = make_linked_ptr(
       gpu_memory_buffer_factory_->CreateGpuMemoryBuffer(width,
                                                         height,
@@ -116,6 +108,7 @@ bool GpuControlService::RegisterGpuMemoryBuffer(
     size_t width,
     size_t height,
     unsigned internalformat) {
+  DCHECK(gpu_memory_buffer_manager_);
   return gpu_memory_buffer_manager_->RegisterGpuMemoryBuffer(id,
                                                              buffer,
                                                              width,