Fixed compile/link errors for gpu unit-tests. I had to mostly fix signed/unsi...

gpu/command_buffer/service/cmd_parser_test.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Tests for the command parser.
 
 #include "gpu/command_buffer/service/precompile.h"
 
 #include "base/scoped_ptr.h"
 #include "gpu/command_buffer/service/cmd_parser.h"
@@ skipping 52 matching lines @@
  private:
   unsigned int buffer_entry_count_;
   scoped_ptr<AsyncAPIMock> api_mock_;
   scoped_array<CommandBufferEntry> buffer_;
   Sequence sequence_;
 };
 
 // Tests initialization conditions.
 TEST_F(CommandParserTest, TestInit) {
   scoped_ptr<CommandParser> parser(MakeParser(10));
-  EXPECT_EQ(0u, parser->get());
-  EXPECT_EQ(0u, parser->put());
+  EXPECT_EQ(0, parser->get());
+  EXPECT_EQ(0, parser->put());
   EXPECT_TRUE(parser->IsEmpty());
 }
 
 // Tests simple commands.
 TEST_F(CommandParserTest, TestSimple) {
   scoped_ptr<CommandParser> parser(MakeParser(10));
   CommandBufferOffset put = parser->put();
   CommandHeader header;
 
   // add a single command, no args
@@ skipping 109 matching lines @@
   // add 1 command with 1 arg (2 words). That should put us at the end of the
   // buffer.
   header.size = 2;
   header.command = 3;
   buffer()[put++].value_header = header;
   buffer()[put++].value_int32 = 5;
   CommandBufferEntry param;
   param.value_int32 = 5;
   AddDoCommandExpect(error::kNoError, 3, 1, &param);
 
-  DCHECK_EQ(5u, put);
+  DCHECK_EQ(5, put);
   put = 0;
   parser->set_put(put);
   EXPECT_EQ(put, parser->put());
   EXPECT_EQ(error::kNoError, parser->ProcessAllCommands());
   EXPECT_EQ(put, parser->get());
   Mock::VerifyAndClearExpectations(api_mock());
 
   // add 1 command with 1 arg (2 words).
   header.size = 2;
   header.command = 4;
@@ skipping 64 matching lines @@
   EXPECT_EQ(put_post_fail, parser->get());
   Mock::VerifyAndClearExpectations(api_mock());
   // make the second one succeed, and check that the parser recovered fine.
   AddDoCommandExpect(error::kNoError, 4, 0, NULL);
   EXPECT_EQ(error::kNoError, parser->ProcessAllCommands());
   EXPECT_EQ(put, parser->get());
   Mock::VerifyAndClearExpectations(api_mock());
 }
 
 }  // namespace gpu