IndexedDB: Sprinkle DISALLOW_COPY_AND_ASSIGN where appropriate

content/browser/indexed_db/indexed_db_browsertest.cc

Index: content/browser/indexed_db/indexed_db_browsertest.cc
diff --git a/content/browser/indexed_db/indexed_db_browsertest.cc b/content/browser/indexed_db/indexed_db_browsertest.cc
index 98da8c0b8a1a0b26a3741f99036af2dea4731868..2fb57de8060e3cdd9f2c820501b76588d631d3b4 100644
--- a/content/browser/indexed_db/indexed_db_browsertest.cc
+++ b/content/browser/indexed_db/indexed_db_browsertest.cc
@@ -132,6 +132,8 @@ class IndexedDBBrowserTest : public ContentBrowserTest {
   }
 
   int64 disk_usage_;
+
+  DISALLOW_COPY_AND_ASSIGN(IndexedDBBrowserTest);
 };
 
 IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTest, CursorTest) {
@@ -208,10 +210,15 @@ IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTest, Bug109187Test) {
 
 class IndexedDBBrowserTestWithLowQuota : public IndexedDBBrowserTest {
  public:
+  IndexedDBBrowserTestWithLowQuota() {}
+
   virtual void SetUpOnMainThread() OVERRIDE {
     const int kInitialQuotaKilobytes = 5000;
     SetQuota(kInitialQuotaKilobytes);
   }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(IndexedDBBrowserTestWithLowQuota);
 };
 
 IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTestWithLowQuota, QuotaTest) {
@@ -220,9 +227,14 @@ IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTestWithLowQuota, QuotaTest) {
 
 class IndexedDBBrowserTestWithGCExposed : public IndexedDBBrowserTest {
  public:
+  IndexedDBBrowserTestWithGCExposed() {}
+
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     command_line->AppendSwitchASCII(switches::kJavaScriptFlags, "--expose-gc");
   }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(IndexedDBBrowserTestWithGCExposed);
 };
 
 IN_PROC_BROWSER_TEST_F(IndexedDBBrowserTestWithGCExposed,
@@ -250,6 +262,7 @@ static void CopyLevelDBToProfile(Shell* shell,
 
 class IndexedDBBrowserTestWithPreexistingLevelDB : public IndexedDBBrowserTest {
  public:
+  IndexedDBBrowserTestWithPreexistingLevelDB() {}
   virtual void SetUpOnMainThread() OVERRIDE {
     scoped_refptr<IndexedDBContextImpl> context = GetContext();
     context->TaskRunner()->PostTask(
@@ -264,6 +277,8 @@ class IndexedDBBrowserTestWithPreexistingLevelDB : public IndexedDBBrowserTest {
 
   virtual std::string EnclosingLevelDBDir() = 0;
 
+ private:
+  DISALLOW_COPY_AND_ASSIGN(IndexedDBBrowserTestWithPreexistingLevelDB);
 };
 
 class IndexedDBBrowserTestWithVersion0Schema : public