Use base namespace for FilePath in content/browser

content/browser/gpu/gpu_memory_test.cc

Index: content/browser/gpu/gpu_memory_test.cc
diff --git a/content/browser/gpu/gpu_memory_test.cc b/content/browser/gpu/gpu_memory_test.cc
index fc62846d10b2a1548b73d9215ce8be24e97fce32..00f7331537cfb855f860894dabdec567e85da288 100644
--- a/content/browser/gpu/gpu_memory_test.cc
+++ b/content/browser/gpu/gpu_memory_test.cc
@@ -74,7 +74,7 @@ class GpuMemoryTest : public content::ContentBrowserTest {
   }
 
   virtual void SetUpInProcessBrowserTestFixture() {
-    FilePath test_dir;
+    base::FilePath test_dir;
     ASSERT_TRUE(PathService::Get(content::DIR_TEST_DATA, &test_dir));
     gpu_test_dir_ = test_dir.AppendASCII("gpu");
   }
@@ -105,7 +105,7 @@ class GpuMemoryTest : public content::ContentBrowserTest {
   void LoadPage(content::Shell* tab_to_load,
                 PageType page_type,
                 size_t mb_to_use) {
-    FilePath url;
+    base::FilePath url;
     switch (page_type) {
       case PAGE_CSS3D:
         url = gpu_test_dir_.AppendASCII("mem_css3d.html");
@@ -226,7 +226,7 @@ class GpuMemoryTest : public content::ContentBrowserTest {
   std::set<content::Shell*> tabs_;
   std::set<content::Shell*> visible_tabs_;
   bool has_used_first_shell_;
-  FilePath gpu_test_dir_;
+  base::FilePath gpu_test_dir_;
 };
 
 // When trying to load something that doesn't fit into our total GPU memory