Revert of DevTools: Made id unique across different remote browsers (patchset...

Revert of DevTools: Made id unique across different remote browsers (patchset #2 id:20001 of https://codereview.chromium.org/560523004/)

Reason for revert:
Need to delete the contents of chrome_beta_pages; see memory leak at https://build.chromium.org/p/chromium.memory/builders/Linux%20ASan%20LSan%20Tests%20(3)/builds/7887

Original issue's description:
> DevTools: Made id unique across different remote browsers
>
> BUG=338303
>
> Committed: https://crrev.com/7732fd3f76fc31a95f14199f898804e5d80e96e3
> Cr-Commit-Position: refs/heads/master@{#296188}

TBR=dgozman@chromium.org,pfeldman@chromium.org,vkuzkokov@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=338303

Review URL: https://codereview.chromium.org/598663002

Cr-Commit-Position: refs/heads/master@{#296235}

chrome/browser/devtools/device/adb/adb_client_socket_browsertest.cc

@@ -101,12 +101,11 @@ class AdbClientSocketTest : public InProcessBrowserTest,
         webview->CreatePages();
 
     ASSERT_EQ(1U, chrome_pages.size());
-    ASSERT_EQ(1U, chrome_beta_pages.size());
+    ASSERT_EQ(0U, chrome_beta_pages.size());
     ASSERT_EQ(2U, webview_pages.size());
 
     // Check that we have non-empty description for webview pages.
     ASSERT_EQ(0U, chrome_pages[0]->GetTarget()->GetDescription().size());
-    ASSERT_EQ(0U, chrome_beta_pages[0]->GetTarget()->GetDescription().size());
     ASSERT_NE(0U, webview_pages[0]->GetTarget()->GetDescription().size());
     ASSERT_NE(0U, webview_pages[1]->GetTarget()->GetDescription().size());
 

chrome/browser/devtools/device/adb/mock_adb_server.cc

@@ -100,26 +100,16 @@ char kSampleWebViewVersion[] = "{\n"
 char kSampleChromePages[] = "[ {\n"
     "   \"description\": \"\",\n"
     "   \"devtoolsFrontendUrl\": \"/devtools/devtools.html?"
-    "ws=/devtools/page/0\",\n"
-    "   \"id\": \"0\",\n"
+    "ws=/devtools/page/755DE5C9-D49F-811D-0693-51B8E15C80D2\",\n"
+    "   \"id\": \"755DE5C9-D49F-811D-0693-51B8E15C80D2\",\n"
     "   \"title\": \"The Chromium Projects\",\n"
     "   \"type\": \"page\",\n"
     "   \"url\": \"http://www.chromium.org/\",\n"
     "   \"webSocketDebuggerUrl\": \""
-    "ws:///devtools/page/0\"\n"
+    "ws:///devtools/page/755DE5C9-D49F-811D-0693-51B8E15C80D2\"\n"
     "} ]";
 
-char kSampleChromeBetaPages[] = "[ {\n"
-    "   \"description\": \"\",\n"
-    "   \"devtoolsFrontendUrl\": \"/devtools/devtools.html?"
-    "ws=/devtools/page/0\",\n"
-    "   \"id\": \"0\",\n"
-    "   \"title\": \"The Chromium Projects\",\n"
-    "   \"type\": \"page\",\n"
-    "   \"url\": \"http://www.chromium.org/\",\n"
-    "   \"webSocketDebuggerUrl\": \""
-    "ws:///devtools/page/0\"\n"
-    "} ]";
+char kSampleChromeBetaPages[] = "[]";
 
 char kSampleWebViewPages[] = "[ {\n"
     "   \"description\": \"{\\\"attached\\\":false,\\\"empty\\\":false,"

chrome/browser/devtools/device/devtools_android_bridge.cc

@@ -415,7 +415,6 @@ class RemotePageTarget : public DevToolsTargetImpl,
   std::string frontend_url_;
   std::string remote_id_;
   std::string remote_type_;
-  std::string local_id_;
   DISALLOW_COPY_AND_ASSIGN(RemotePageTarget);
 };
 
@@ -452,8 +451,7 @@ RemotePageTarget::RemotePageTarget(
       browser_(browser),
       debug_url_(GetDebugURL(value)),
       remote_id_(GetStringProperty(value, "id")),
-      remote_type_(GetStringProperty(value, "type")),
-      local_id_(BuildUniqueTargetId(browser.get(), value)) {
+      remote_type_(GetStringProperty(value, "type")) {
   set_type("adb_page");
   set_url(GURL(GetStringProperty(value, "url")));
   set_title(base::UTF16ToUTF8(net::UnescapeForHTML(base::UTF8ToUTF16(
@@ -482,7 +480,7 @@ std::string RemotePageTarget::GetFrontendURL() {
 }
 
 std::string RemotePageTarget::GetId() const {
-  return local_id_;
+  return remote_id_;
 }
 
 bool RemotePageTarget::IsAttached() const {

chrome/browser/resources/inspect/inspect.js

@@ -505,7 +505,6 @@ function addWebViewThumbnail(row, webview, screenWidth, screenHeight) {
 function addTargetToList(data, list, properties) {
   var row = document.createElement('div');
   row.className = 'row';
-  row.targetId = data.id;
 
   var propertiesBox = document.createElement('div');
   propertiesBox.className = 'properties-box';

chrome/test/data/webui/inspect_ui_test.js

@@ -66,15 +66,6 @@ function testAdbTargetsListed() {
        chromePages, 'http://www.chromium.org/', '.url');
     expectNotEquals(undefined, chromiumPage);
 
-    var pageById = {};
-    Array.prototype.forEach.call(devices, function (device) {
-      var pages = device.querySelectorAll('.row');
-      Array.prototype.forEach.call(pages, function (page) {
-        expectEquals(undefined, pageById[page.targetId]);
-        pageById[page.targetId] = page;
-      });
-    });
-
     var webView = findByContentSubstring(
        browsers, 'WebView in com.sample.feed (4.0)', '.browser-name');
     expectNotEquals(undefined, webView);