Remove Chrome Frame code and resources.

chrome_frame/bho.cc

Index: chrome_frame/bho.cc
diff --git a/chrome_frame/bho.cc b/chrome_frame/bho.cc
deleted file mode 100644
index cf207b381d3d73370f36a1af5c6e9eddf95e5ed3..0000000000000000000000000000000000000000
--- a/chrome_frame/bho.cc
+++ /dev/null
@@ -1,365 +0,0 @@
-// Copyright (c) 2012 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 "chrome_frame/bho.h"
-
-#include <shlguid.h>
-
-#include "base/files/file_path.h"
-#include "base/logging.h"
-#include "base/path_service.h"
-#include "base/strings/string_util.h"
-#include "base/strings/stringprintf.h"
-#include "base/time/time.h"
-#include "base/win/scoped_bstr.h"
-#include "chrome_frame/buggy_bho_handling.h"
-#include "chrome_frame/crash_reporting/crash_metrics.h"
-#include "chrome_frame/extra_system_apis.h"
-#include "chrome_frame/html_utils.h"
-#include "chrome_frame/http_negotiate.h"
-#include "chrome_frame/metrics_service.h"
-#include "chrome_frame/protocol_sink_wrap.h"
-#include "chrome_frame/turndown_prompt/turndown_prompt.h"
-#include "chrome_frame/urlmon_moniker.h"
-#include "chrome_frame/utils.h"
-#include "chrome_frame/vtable_patch_manager.h"
-
-static const int kIBrowserServiceOnHttpEquivIndex = 30;
-static const DWORD kMaxHttpConnections = 6;
-
-PatchHelper g_patch_helper;
-
-BEGIN_VTABLE_PATCHES(IBrowserService)
-  VTABLE_PATCH_ENTRY(kIBrowserServiceOnHttpEquivIndex, Bho::OnHttpEquiv)
-END_VTABLE_PATCHES()
-
-_ATL_FUNC_INFO Bho::kBeforeNavigate2Info = {
-  CC_STDCALL, VT_EMPTY, 7, {
-    VT_DISPATCH,
-    VT_VARIANT | VT_BYREF,
-    VT_VARIANT | VT_BYREF,
-    VT_VARIANT | VT_BYREF,
-    VT_VARIANT | VT_BYREF,
-    VT_VARIANT | VT_BYREF,
-    VT_BOOL | VT_BYREF
-  }
-};
-
-_ATL_FUNC_INFO Bho::kNavigateComplete2Info = {
-  CC_STDCALL, VT_EMPTY, 2, {
-    VT_DISPATCH,
-    VT_VARIANT | VT_BYREF
-  }
-};
-
-_ATL_FUNC_INFO Bho::kDocumentCompleteInfo = {
-  CC_STDCALL, VT_EMPTY, 2, {
-    VT_DISPATCH,
-    VT_VARIANT | VT_BYREF
-  }
-};
-
-Bho::Bho() {
-}
-
-HRESULT Bho::FinalConstruct() {
-  return S_OK;
-}
-
-void Bho::FinalRelease() {
-}
-
-STDMETHODIMP Bho::SetSite(IUnknown* site) {
-  HRESULT hr = S_OK;
-  if (site) {
-    base::TimeTicks start = base::TimeTicks::Now();
-    base::win::ScopedComPtr<IWebBrowser2> web_browser2;
-    web_browser2.QueryFrom(site);
-    if (web_browser2) {
-      hr = DispEventAdvise(web_browser2, &DIID_DWebBrowserEvents2);
-      DCHECK(SUCCEEDED(hr)) << "DispEventAdvise failed. Error: " << hr;
-
-      turndown_prompt::Configure(web_browser2);
-    }
-
-    if (g_patch_helper.state() == PatchHelper::PATCH_IBROWSER) {
-      base::win::ScopedComPtr<IBrowserService> browser_service;
-      hr = DoQueryService(SID_SShellBrowser, site, browser_service.Receive());
-      DCHECK(browser_service) << "DoQueryService - SID_SShellBrowser failed."
-          << " Site: " << site << " Error: " << hr;
-      if (browser_service) {
-        g_patch_helper.PatchBrowserService(browser_service);
-        DCHECK(SUCCEEDED(hr)) << "vtable_patch::PatchInterfaceMethods failed."
-            << " Site: " << site << " Error: " << hr;
-      }
-    }
-    // Save away our BHO instance in TLS which enables it to be referenced by
-    // our active document/activex instances to query referrer and other
-    // information for a URL.
-    AddRef();
-    RegisterThreadInstance();
-    MetricsService::Start();
-
-    if (!IncreaseWinInetConnections(kMaxHttpConnections)) {
-      DLOG(WARNING) << "Failed to bump up HTTP connections. Error:"
-                    << ::GetLastError();
-    }
-
-    base::TimeDelta delta = base::TimeTicks::Now() - start;
-    UMA_HISTOGRAM_TIMES("ChromeFrame.BhoLoadSetSite", delta);
-  } else {
-    UnregisterThreadInstance();
-    buggy_bho::BuggyBhoTls::DestroyInstance();
-    base::win::ScopedComPtr<IWebBrowser2> web_browser2;
-    web_browser2.QueryFrom(m_spUnkSite);
-    DispEventUnadvise(web_browser2, &DIID_DWebBrowserEvents2);
-    Release();
-  }
-
-  return IObjectWithSiteImpl<Bho>::SetSite(site);
-}
-
-STDMETHODIMP Bho::BeforeNavigate2(IDispatch* dispatch, VARIANT* url,
-    VARIANT* flags, VARIANT* target_frame_name, VARIANT* post_data,
-    VARIANT* headers, VARIANT_BOOL* cancel) {
-  if (!url || url->vt != VT_BSTR || url->bstrVal == NULL) {
-    DLOG(WARNING) << "Invalid URL passed in";
-    return S_OK;
-  }
-
-  base::win::ScopedComPtr<IWebBrowser2> web_browser2;
-  if (dispatch)
-    web_browser2.QueryFrom(dispatch);
-
-  if (!web_browser2) {
-    NOTREACHED() << "Can't find WebBrowser2 with given dispatch";
-    return S_OK;
-  }
-
-  DVLOG(1) << "BeforeNavigate2: " << url->bstrVal;
-
-  base::win::ScopedComPtr<IBrowserService> browser_service;
-  DoQueryService(SID_SShellBrowser, web_browser2, browser_service.Receive());
-  if (!browser_service || !CheckForCFNavigation(browser_service, false)) {
-    // TODO(tommi): Remove? Isn't this done below by calling set_referrer("")?
-    referrer_.clear();
-  }
-
-  VARIANT_BOOL is_top_level = VARIANT_FALSE;
-  web_browser2->get_TopLevelContainer(&is_top_level);
-  if (is_top_level) {
-    set_url(url->bstrVal);
-    set_referrer("");
-    set_post_data(post_data);
-    set_headers(headers);
-  }
-  return S_OK;
-}
-
-STDMETHODIMP_(void) Bho::NavigateComplete2(IDispatch* dispatch, VARIANT* url) {
-  DVLOG(1) << __FUNCTION__;
-}
-
-STDMETHODIMP_(void) Bho::DocumentComplete(IDispatch* dispatch, VARIANT* url) {
-  DVLOG(1) << __FUNCTION__;
-
-  base::win::ScopedComPtr<IWebBrowser2> web_browser2;
-  if (dispatch)
-    web_browser2.QueryFrom(dispatch);
-
-  if (web_browser2) {
-    VARIANT_BOOL is_top_level = VARIANT_FALSE;
-    web_browser2->get_TopLevelContainer(&is_top_level);
-    if (is_top_level) {
-      CrashMetricsReporter::GetInstance()->IncrementMetric(
-          CrashMetricsReporter::NAVIGATION_COUNT);
-    }
-  }
-}
-
-namespace {
-
-// See comments in Bho::OnHttpEquiv for details.
-void ClearDocumentContents(IUnknown* browser) {
-  base::win::ScopedComPtr<IWebBrowser2> web_browser2;
-  if (SUCCEEDED(DoQueryService(SID_SWebBrowserApp, browser,
-                               web_browser2.Receive()))) {
-    base::win::ScopedComPtr<IDispatch> doc_disp;
-    web_browser2->get_Document(doc_disp.Receive());
-    base::win::ScopedComPtr<IHTMLDocument2> doc;
-    if (doc_disp && SUCCEEDED(doc.QueryFrom(doc_disp))) {
-      SAFEARRAY* sa = ::SafeArrayCreateVector(VT_UI1, 0, 0);
-      doc->write(sa);
-      ::SafeArrayDestroy(sa);
-    }
-  }
-}
-
-// Returns true if the currently loaded document in the browser has
-// any embedded items such as a frame or an iframe.
-bool DocumentHasEmbeddedItems(IUnknown* browser) {
-  bool has_embedded_items = false;
-
-  base::win::ScopedComPtr<IWebBrowser2> web_browser2;
-  base::win::ScopedComPtr<IDispatch> document;
-  if (SUCCEEDED(DoQueryService(SID_SWebBrowserApp, browser,
-                               web_browser2.Receive())) &&
-      SUCCEEDED(web_browser2->get_Document(document.Receive()))) {
-    base::win::ScopedComPtr<IOleContainer> container;
-    if (SUCCEEDED(container.QueryFrom(document))) {
-      base::win::ScopedComPtr<IEnumUnknown> enumerator;
-      container->EnumObjects(OLECONTF_EMBEDDINGS, enumerator.Receive());
-      if (enumerator) {
-        base::win::ScopedComPtr<IUnknown> unk;
-        DWORD fetched = 0;
-        while (!has_embedded_items &&
-               SUCCEEDED(enumerator->Next(1, unk.Receive(), &fetched))
-               && fetched) {
-          // If a top level document has embedded iframes then the theory is
-          // that first the top level document finishes loading and then the
-          // iframes load. We should only treat an embedded element as an
-          // iframe if it supports the IWebBrowser interface.
-          base::win::ScopedComPtr<IWebBrowser2> embedded_web_browser2;
-          if (SUCCEEDED(embedded_web_browser2.QueryFrom(unk))) {
-            // If we initiate a top level navigation then at times MSHTML
-            // creates a temporary IWebBrowser2 interface which basically shows
-            // up as a temporary iframe in the parent document. It is not clear
-            // as to how we can detect this. I tried the usual stuff like
-            // getting to the parent IHTMLWindow2 interface. They all end up
-            // pointing to dummy tear off interfaces owned by MSHTML.
-            // As a temporary workaround, we found that the location url in
-            // this case is about:blank. We now check for the same and don't
-            // treat it as an iframe. This should be fine in most cases as we
-            // hit this code only when the actual page has a meta tag. However
-            // this would break for cases like the initial src url for an
-            // iframe pointing to about:blank and the page then writing to it
-            // via document.write.
-            // TODO(ananta)
-            // Revisit this and come up with a better approach.
-            base::win::ScopedBstr location_url;
-            embedded_web_browser2->get_LocationURL(location_url.Receive());
-
-            std::wstring location_url_string;
-            location_url_string.assign(location_url, location_url.Length());
-
-            if (!LowerCaseEqualsASCII(location_url_string, "about:blank")) {
-              has_embedded_items = true;
-            }
-          }
-
-          fetched = 0;
-          unk.Release();
-        }
-      }
-    }
-  }
-
-  return has_embedded_items;
-}
-
-}  // end namespace
-
-HRESULT Bho::OnHttpEquiv(IBrowserService_OnHttpEquiv_Fn original_httpequiv,
-    IBrowserService* browser, IShellView* shell_view, BOOL done,
-    VARIANT* in_arg, VARIANT* out_arg) {
-  DVLOG(1) << __FUNCTION__ << " done:" << done;
-
-  // OnHttpEquiv with 'done' set to TRUE is called for all pages.
-  // 0 or more calls with done set to FALSE are made.
-  // When done is FALSE, the current moniker may not represent the page
-  // being navigated to so we always have to wait for done to be TRUE
-  // before re-initiating the navigation.
-
-  if (!done && in_arg && VT_BSTR == V_VT(in_arg)) {
-    if (StrStrI(V_BSTR(in_arg), kChromeContentPrefix)) {
-      // OnHttpEquiv is invoked for meta tags within sub frames as well.
-      // We want to switch renderers only for the top level frame.
-      // The theory here is that if there are any existing embedded items
-      // (frames or iframes) in the current document, then the http-equiv
-      // notification is coming from those and not the top level document.
-      // The embedded items should only be created once the top level
-      // doc has been created.
-      if (!DocumentHasEmbeddedItems(browser)) {
-        NavigationManager* mgr = NavigationManager::GetThreadInstance();
-        DCHECK(mgr);
-        DVLOG(1) << "Found tag in page. Marking browser."
-                 << base::StringPrintf(" tid=0x%08X", ::GetCurrentThreadId());
-        if (mgr) {
-          // TODO(tommi): See if we can't figure out a cleaner way to avoid
-          // this.  For some documents we can hit a problem here.  When we
-          // attempt to navigate the document again in CF, mshtml can "complete"
-          // the current navigation (if all data is available) and fire off
-          // script events such as onload and even render the page.
-          // This will happen inside NavigateBrowserToMoniker below.
-          // To work around this, we clear the contents of the document before
-          // opening it up in CF.
-          ClearDocumentContents(browser);
-          mgr->NavigateToCurrentUrlInCF(browser);
-        }
-      }
-    }
-  }
-
-  return original_httpequiv(browser, shell_view, done, in_arg, out_arg);
-}
-
-// static
-void Bho::ProcessOptInUrls(IWebBrowser2* browser, BSTR url) {
-  if (!browser || !url) {
-    NOTREACHED();
-    return;
-  }
-
-#ifndef NDEBUG
-  // This check must already have been made.
-  VARIANT_BOOL is_top_level = VARIANT_FALSE;
-  browser->get_TopLevelContainer(&is_top_level);
-  DCHECK(is_top_level);
-#endif
-
-  std::wstring current_url(url, SysStringLen(url));
-  if (IsValidUrlScheme(GURL(current_url), false)) {
-    bool cf_protocol = StartsWith(current_url, kChromeProtocolPrefix, false);
-    if (!cf_protocol && IsChrome(RendererTypeForUrl(current_url))) {
-      DVLOG(1) << "Opt-in URL. Switching to cf.";
-      base::win::ScopedComPtr<IBrowserService> browser_service;
-      DoQueryService(SID_SShellBrowser, browser, browser_service.Receive());
-      DCHECK(browser_service) << "DoQueryService - SID_SShellBrowser failed.";
-      MarkBrowserOnThreadForCFNavigation(browser_service);
-    }
-  }
-}
-
-bool PatchHelper::InitializeAndPatchProtocolsIfNeeded() {
-  bool ret = false;
-
-  _pAtlModule->m_csStaticDataInitAndTypeInfo.Lock();
-
-  if (state_ == UNKNOWN) {
-    g_trans_hooks.InstallHooks();
-    HttpNegotiatePatch::Initialize();
-    state_ = PATCH_PROTOCOL;
-    ret = true;
-  }
-
-  _pAtlModule->m_csStaticDataInitAndTypeInfo.Unlock();
-
-  return ret;
-}
-
-void PatchHelper::PatchBrowserService(IBrowserService* browser_service) {
-  DCHECK(state_ == PATCH_IBROWSER);
-  if (!IS_PATCHED(IBrowserService)) {
-    vtable_patch::PatchInterfaceMethods(browser_service,
-                                        IBrowserService_PatchInfo);
-  }
-}
-
-void PatchHelper::UnpatchIfNeeded() {
-  if (state_ == PATCH_PROTOCOL) {
-    g_trans_hooks.RevertHooks();
-    HttpNegotiatePatch::Uninitialize();
-  }
-  state_ = UNKNOWN;
-}