Linux: fix a bunch of NULL vs. 0 issues spotted by gcc 4.5.

chrome/browser/ui/tabs/dock_info_unittest.cc

 // Copyright (c) 2010 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/basictypes.h"
 #include "chrome/browser/ui/tabs/dock_info.h"
 #include "gfx/point.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
@@ skipping 83 matching lines @@
   for (size_t i = 0; i < arraysize(expected_results); ++i) {
     bool result = DockInfo::IsCloseToMonitorPoint(
         screen_loc[i], hotspot.x(), hotspot.y(), type[i], &in_enable_area);
     EXPECT_EQ(expected_results[i], result);
     EXPECT_EQ(expected_in_enable_area[i], in_enable_area);
   }
 }
 
 TEST(DockInfoTest, IsValidForPoint) {
   DockInfo d;
-  EXPECT_EQ(false, d.IsValidForPoint(gfx::Point(0, 0)));
+  EXPECT_FALSE(d.IsValidForPoint(gfx::Point(0, 0)));
   d.set_monitor_bounds(gfx::Rect(0, 0, kPopupWidth, kPopupHeight));
   d.set_hot_spot(gfx::Point(0, 0));
   d.set_type(DockInfo::LEFT_HALF);
 
   gfx::Point screen_point[] = {
     gfx::Point(0, 0),
     gfx::Point(kPopupWidth + 1, kPopupHeight + 1),
     gfx::Point(2 * kHotSpotDeltaX, kHotSpotDeltaY),
   };
 
   bool expected_result[] = {
     true, false, false
   };
 
   for (size_t i = 0; i < arraysize(expected_result); ++i) {
     EXPECT_EQ(expected_result[i], d.IsValidForPoint(screen_point[i]));
   }
 }
 
 TEST(DockInfoTest, equals) {
   DockInfo d;
   DockInfo dd;
   EXPECT_EQ(true, d.equals(dd));
   d.set_type(DockInfo::MAXIMIZE);
-  EXPECT_EQ(false, d.equals(dd));
+  EXPECT_FALSE(d.equals(dd));
 }
 
 TEST(DockInfoTest, CheckMonitorPoint) {
   DockInfo d;
   gfx::Point screen_loc[] = {
     gfx::Point(0, 0),
     gfx::Point(2 * kHotSpotDeltaX, kHotSpotDeltaY),
     gfx::Point(2 * kHotSpotDeltaX, kHotSpotDeltaY),
   };
 
@@ skipping 42 matching lines @@
 
   for (size_t i = 0; i < arraysize(type); ++i) {
     d.set_type(type[i]);
     gfx::Rect result = d.GetPopupRect();
     EXPECT_EQ(expected_x[i], result.x());
     EXPECT_EQ(expected_y[i], result.y());
     EXPECT_EQ(kPopupWidth, result.width());
     EXPECT_EQ(kPopupHeight, result.height());
   }
 }