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

gpu/command_buffer/service/command_buffer_service_unittest.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.
 
 #include "base/thread.h"
 #include "gpu/command_buffer/common/cmd_buffer_common.h"
 #include "gpu/command_buffer/service/command_buffer_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
@@ skipping 47 matching lines @@
 }
 
 TEST_F(CommandBufferServiceTest, InitializationSizeIsInEntriesNotBytes) {
   EXPECT_TRUE(command_buffer_->Initialize(1024));
   EXPECT_TRUE(NULL != command_buffer_->GetRingBuffer().ptr);
   EXPECT_GE(1024 * sizeof(CommandBufferEntry),
             command_buffer_->GetRingBuffer().size);
 }
 
 TEST_F(CommandBufferServiceTest, InitializeFailsSecondTime) {
-  SharedMemory* ring_buffer = new SharedMemory;
   EXPECT_TRUE(command_buffer_->Initialize(1024));
   EXPECT_FALSE(command_buffer_->Initialize(1024));
 }
 
 class MockCallback : public CallbackRunner<Tuple0> {
  public:
   MOCK_METHOD1(RunWithParams, void(const Tuple0&));
 };
 
 TEST_F(CommandBufferServiceTest, CanSyncGetAndPutOffset) {
@@ skipping 31 matching lines @@
 
 TEST_F(CommandBufferServiceTest, OutOfRangeHandleMapsToNull) {
   EXPECT_TRUE(NULL == command_buffer_->GetTransferBuffer(1).ptr);
 }
 
 TEST_F(CommandBufferServiceTest, CanCreateTransferBuffers) {
   int32 handle = command_buffer_->CreateTransferBuffer(1024);
   EXPECT_EQ(1, handle);
   Buffer buffer = command_buffer_->GetTransferBuffer(handle);
   ASSERT_TRUE(NULL != buffer.ptr);
-  EXPECT_EQ(1024, buffer.size);
+  EXPECT_EQ(1024u, buffer.size);
 }
 
 TEST_F(CommandBufferServiceTest, CreateTransferBufferReturnsDistinctHandles) {
   EXPECT_EQ(1, command_buffer_->CreateTransferBuffer(1024));
 }
 
 TEST_F(CommandBufferServiceTest,
     CreateTransferBufferReusesUnregisteredHandles) {
   EXPECT_EQ(1, command_buffer_->CreateTransferBuffer(1024));
   EXPECT_EQ(2, command_buffer_->CreateTransferBuffer(1024));
@@ skipping 47 matching lines @@
 
 TEST_F(CommandBufferServiceTest, DefaultParseErrorIsNoError) {
   EXPECT_EQ(0, GetError());
 }
 
 TEST_F(CommandBufferServiceTest, CanSetParseError) {
   command_buffer_->SetParseError(error::kInvalidSize);
   EXPECT_EQ(1, GetError());
 }
 }  // namespace gpu